Tag @update:2025-11-21 — 161 rulings
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BT1-039 Cerberusmon
Can I trash just 1 card in my hand for this card's [When Attacking] effect?
BT1-104 Golden Ripper
After activating this card's [Main] effect, do Digimon that later enter the battle area by being moved or played also gain this card's effec...
BT1-104 Golden Ripper
What happens when this card is revealed upon a security check?
BT1-104 Golden Ripper
A Digimon gains this card's effect and attacks. At such times, can I activate the [When Attacking] effect gained from this card's effect aft...
BT10-032 Renamon
What cards are added to my hand by this card's [On Play] effect?
BT10-032 Renamon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
BT10-032 Renamon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
BT10-032 Renamon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
BT10-032 Renamon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
BT10-032 Renamon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
BT10-041 Sakuyamon: Maid Mode
It's currently my turn after the turn when my opponent activated BT9-103 [Kongou]'s effect. If I activate this card's [When Digivolving] eff...
BT10-041 Sakuyamon: Maid Mode
I used this card's [When Digivolving] effect to use P-037 [Yellow Memory Boost!], and I use P-037 [Yellow Memory Boost!]'s 1st [Main] ef...
BT10-041 Sakuyamon: Maid Mode
I used this card's [When Digivolving] effect to use BT4-105 [Tactical Retreat!], then I placed this card itself on top of the security sta...
BT10-041 Sakuyamon: Maid Mode
I used this card's [When Digivolving] effect to use ST22-08 [Offensive Plug-In V], and ST22-08 [Offensive Plug-In V]'s [Main] effect linked...
BT16-101 Rapidmon (X Antibody)
This card is in the battle area, and it has X Antibody in its digivolution cards. My opponent's Digimon with 4000 DP or less and a [When Att...
BT17-031 Renamon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
BT17-031 Renamon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
BT17-031 Renamon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
BT17-031 Renamon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
BT17-031 Renamon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
BT17-032 Kyubimon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
BT17-032 Kyubimon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
BT17-032 Kyubimon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
BT17-032 Kyubimon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
BT17-032 Kyubimon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
BT17-038 Sakuyamon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
BT17-038 Sakuyamon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
BT17-038 Sakuyamon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
BT17-038 Sakuyamon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
BT17-038 Sakuyamon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
BT19-030 Renamon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
BT19-030 Renamon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
BT19-030 Renamon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
BT19-030 Renamon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
BT19-030 Renamon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
BT19-034 Kyubimon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
BT19-034 Kyubimon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
BT19-034 Kyubimon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
BT19-034 Kyubimon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
BT19-034 Kyubimon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
BT19-040 Sakuyamon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
BT19-040 Sakuyamon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
BT19-040 Sakuyamon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
BT19-040 Sakuyamon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
BT19-040 Sakuyamon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
BT19-083 Rika Nonaka
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
BT19-083 Rika Nonaka
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
BT19-083 Rika Nonaka
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
BT19-083 Rika Nonaka
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
BT19-083 Rika Nonaka
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
BT3-088 LadyDevimon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
BT3-088 LadyDevimon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
BT3-091 Lilithmon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
BT3-091 Lilithmon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
BT3-096 Mimi Tachikawa
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
BT3-096 Mimi Tachikawa
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
BT5-019 Shoutmon DX
Multiple effects trigger when this card digivolves. In what order can they be activated?
EX2-003 Viximon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
EX2-003 Viximon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
EX2-003 Viximon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
EX2-003 Viximon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
EX2-003 Viximon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
EX2-019 Renamon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
EX2-019 Renamon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
EX2-019 Renamon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
EX2-019 Renamon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
EX2-019 Renamon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
EX2-021 Kyubimon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
EX2-021 Kyubimon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
EX2-021 Kyubimon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
EX2-021 Kyubimon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
EX2-021 Kyubimon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
EX2-023 Taomon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
EX2-023 Taomon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
EX2-023 Taomon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
EX2-023 Taomon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
EX2-023 Taomon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
EX2-024 Sakuyamon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
EX2-024 Sakuyamon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
EX2-024 Sakuyamon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
EX2-024 Sakuyamon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
EX2-024 Sakuyamon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
EX4-024 Renamon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
EX4-024 Renamon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
EX4-024 Renamon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
EX4-024 Renamon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
EX4-024 Renamon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
EX4-026 Youkomon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
EX4-026 Youkomon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
EX4-026 Youkomon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
EX4-026 Youkomon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
EX4-026 Youkomon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
EX4-028 Doumon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
EX4-028 Doumon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
EX4-028 Doumon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
EX4-028 Doumon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
EX4-028 Doumon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
EX4-030 Kuzuhamon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
EX4-030 Kuzuhamon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
EX4-030 Kuzuhamon
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
EX4-030 Kuzuhamon
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
EX4-030 Kuzuhamon
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
EX5-021 Majiramon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
EX5-021 Majiramon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
EX5-021 Majiramon
A card's cost is 0 when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'s 1st effect. When s...
EX5-021 Majiramon
An Option card has an original use cost of 1 or more, and I use it when the cost to pay is reduced to 0. At such times, does this card's "wh...
EX5-021 Majiramon
I used an effect to use an Option card with an original use cost of 1 or more without paying the cost. At such times, does this card's "when...
EX5-037 Vajramon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
EX5-037 Vajramon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
EX5-037 Vajramon
A card's cost is 0 when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'s 1st effect. When s...
EX5-037 Vajramon
An Option card has an original use cost of 1 or more, and I use it when the cost to pay is reduced to 0 or less. At such times, does this ca...
EX5-037 Vajramon
I used an effect to use an Option card with an original use cost of 1 or more without paying the cost. At such times, does this card's "when...
EX8-031 Renamon (X Antibody)
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
EX8-031 Renamon (X Antibody)
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
EX8-031 Renamon (X Antibody)
An Option card's use cost is 1 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
EX8-031 Renamon (X Antibody)
An Option card has an original use cost of 2 or more, and I use it when the cost to pay is reduced to 1 or less. At such times, does this ca...
EX8-031 Renamon (X Antibody)
I used an effect to use an Option card with an original use cost of 2 or more without paying the cost. At such times, does this card's "when...
LM-023 Sakuyamon: Maid Mode ACE
What cards can be placed as a security card by this card's [On Play] [When Digivolving] effect?
LM-023 Sakuyamon: Maid Mode ACE
When I use this card's [On Play] [When Digivolving] effect to place a card as a security card, do I reveal the card to my opponent?
LM-023 Sakuyamon: Maid Mode ACE
An Option card's use cost is 5 or less when used from the hand due to an effect such as BT2-099 [Glorious Burst] or BT8-097 [Crimson Blaze]'...
LM-023 Sakuyamon: Maid Mode ACE
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
LM-023 Sakuyamon: Maid Mode ACE
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
P-046 Wizardmon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
P-046 Wizardmon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
ST22-01 Viximon
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
ST22-01 Viximon
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
ST22-02 Renamon
After using this card's [When Moving] [On Play] effect to trash a card in my hand, can I choose to not return a card from my trash to the ha...
ST22-04 Taomon
If a card is affected by "can't activate [When Digivolving] effects," can I process just the "by" condition in its [When Digivolving] effect...
ST22-04 Taomon
This card with ST22-01 [Viximon] in digivolution cards attacks, and I use this card's [When Attacking] effect to use an Option card. If I us...
ST22-05 Sakuyamon ACE
I used this card's {Hand} [Counter] <Blast Digivolve> to digivolve my Digimon into this card during my opponent's counter timing, and I used...
ST22-05 Sakuyamon ACE
If I use this card's [On Play] [When Digivolving] [When Attacking] effect to use an Option card from under a Tamer, what happens to that Opt...
ST22-05 Sakuyamon ACE
If I use this card to attack and use its [When Attacking] effect to play a [Pipe Fox] Token, can I then use <Alliance> to suspend the [Pipe...
ST22-05 Sakuyamon ACE
ST22-04 [Taomon] with ST22-01 [Viximon] in digivolution cards attacks, and I use ST22-04 [Taomon]'s [When Attacking] effect to use an Option...
ST22-06 Sakuyamon: Maid Mode
If I use this card's [On Play] [When Digivolving] effect to use an Option card from under a Tamer, what happens to that Option card?
ST22-06 Sakuyamon: Maid Mode
If the "when you use an Option card" effect triggers, what is the timing when it can activate?
ST22-06 Sakuyamon: Maid Mode
Does the "when you use an Option card" effect trigger if an Option card's effect activates by a method other than using the card?
ST22-06 Sakuyamon: Maid Mode
In what order do a [Security] effect, "when [...] performs a security check" effect, and "when a card is removed from [...] security stack"...
ST22-06 Sakuyamon: Maid Mode
I tried to use this card's [All Turns] effect to place an opponent's Digimon as the bottom security card, but another effect prevented that...
ST22-06 Sakuyamon: Maid Mode
I tried to use this card's [All Turns] effect to place an opponent's Digimon as the bottom security card, but another effect prevented that...
ST22-07 Rika Nonaka
If an effect places a card under this card while it already has one or more cards under it, in what order do I place the cards?
ST22-07 Rika Nonaka
A level 5 [Taomon] attacks, and this card's [Your Turn] effect triggers. At such times, if another effect digivolves the attacking Digimon i...
ST22-07 Rika Nonaka
My Digimon with [Renamon], [Kyubimon], or [Sakuyamon] in its name attacks, and this card's [Your Turn] effect triggers. If another effect th...
ST22-07 Rika Nonaka
If I use this card's [Your Turn] effect to use an Option card from under this card, what happens to that Option card?
ST22-08 Offensive Plug-In V
This card is linked to a Digimon. If this card activates a link effect, is that effect considered a Digimon effect or an Option card effect?
ST22-08 Offensive Plug-In V
Due to an effect, I can't use an Option card. Can I pay this card's link cost and link to one of my Digimon?
ST22-09 High-Speed Plug-In H
This card is linked to a Digimon. If this card activates a link effect, is that effect considered a Digimon effect or an Option card effect?
ST22-09 High-Speed Plug-In H
Due to an effect, I can't use an Option card. Can I pay this card's link cost and link to one of my Digimon?
ST22-10 Amethyst Mandala
If this card's 1st effect and a "when a card is removed from [...] security stack" effect trigger simultaneously when this card is trashed f...
ST22-10 Amethyst Mandala
What is a {Security} effect?
ST22-10 Amethyst Mandala
I have multiple copies of this card face-up in my security stack. When my Digimon with [Renamon], [Kyubimon], [Taomon], or [Sakuyamon] in it...
ST22-10 Amethyst Mandala
I have this card placed face-up in my security stack. If this card's {Security} [All Turns] effect activates when multiples of my Digimon wi...
ST22-11 Defense Plug-In F
This card is linked to a Digimon. If this card activates a link effect, is that effect considered a Digimon effect or an Option card effect?
ST22-11 Defense Plug-In F
Due to an effect, I can't use an Option card. Can I pay this card's link cost and link to one of my Digimon?
ST22-12 DoGatchmon
This card has 3 different cards in its App Fusion requirements. What combinations are possible for App Fusion?
ST22-12 DoGatchmon
Can I use this card's [When Attacking] effect to link a card that doesn't have <Link>?
ST22-12 DoGatchmon
I used this card's [When Attacking] effect to link BT21-018 [DoGatchmon]. At such times, can I use BT21-018 [DoGatchmon]'s link effect to at...
ST22-12 DoGatchmon
This card attacks, and its <Raid> and [When Attacking] effect trigger simultaneously. Then, I first activate the [When Attacking] effect, l...
ST22-13 GranGalemon
Can I use this card's [On Play] [When Digivolving] effect to suspend either my Digimon or my opponent's Digimon?
ST22-13 GranGalemon
At the end of the turn, I used <Vortex> on this card to attack an opponent's Digimon, this Digimon was deleted in the battle, and I used <Fo...
ST22-14 Barbamon
My opponent has 5 cards in their hand and 5 cards in their trash. Can I activate this card's 1st effect and play it with the play cost reduc...
ST22-14 Barbamon
My opponent has 10 cards in their hand and 10 cards in their trash. If I activate this card's 1st effect, what is the reduction to the play...