While you have no face-up security cards, you may ignore this card's color requirements.
[Security] [All Turns] All of your Digimon with the [NSp] trait gain <Alliance>.
[Main] Add your bottom security card to the hand. Then, place this card face up as the bottom security card.
Security Effect
[Security] You may play 1 level 5 or lower Digimon card with the [NSp] trait from your hand without paying the cost.
Rulings Q&A — 7 entries
Q1Q3962
Is the "while you have no face-up security cards" condition met when I have 0 cards in my security stack?
What happens to cards placed face up in the security stack by effects?
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Official Ruling
They become face-up security cards that remain revealed. Other than rules that specify face-up security cards, the rules apply in the same manner as standard security cards.
What happens upon a security check for a security card that is placed face-up?
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Official Ruling
The check is performed with the card left revealed. Other than rules for cards left revealed, the rules apply in the same manner as standard security checks.
I have just this card placed face-up in my security stack. I used my Digimon with the [NSp] trait to attack, and I activated the <Alliance> gained from this card's [All Turns] effect. If this card is then trashed by the 1st [All Turns] effect on my opponent's BT18-055 [AncientTroymon], what happens to the <Security A. +1> and added DP gained from <Alliance>?