[Digivolve] [Cupimon]: Cost 5
When this card would be played, if you don't have a level 5 or lower Digimon, reduce the play cost by 5.
[Start of Your Main Phase] [On Play] Reveal the top 3 cards of your deck. Add 1 card with the [Angel], [Archangel], [Three Great Angels] or [Seven Great Demon Lords] trait among them to the hand. Trash the rest.
[End of Your Turn] [Once Per Turn] By placing 1 of your level 6 Digimon on top of your security stack, this Digimon may digivolve into [Lucemon: Chaos Mode] in your trash without paying the cost.
Rulings Q&A — 4 entries
Q1Q3714
Does this card's "when you would play this card" effect also activate when this card would be played by an effect?
Can I use this card's [End of Your Turn] effect to place 1 of my level 6 Digimon on top of my security stack even when I don't have [Lucemon: Chaos Mode] in my trash?
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Official Ruling
Yes, you can. Even if the part after the conditions specified with "by X" in an effect can't be resolved, the effect can still activate.
Can I use this card's [End of Your Turn] effect to place 1 of my level 6 Digimon on top of my security stack but choose to not digivolve this Digimon into [Lucemon: Chaos Mode] in my trash?