2 official rulings from Bandai, last ruled Mar 28, 2024. Straight answers to how this card actually resolves.

What happens when I use this card while I have 1 or fewer cards in my security stack?
Nothing happens, but the game still treats it as if you used the Option card.
Ruled Mar 28, 2024
I have 4 security cards. My opponent attacks me and I flip [BT1-102]/[Blade of the True] as the security check. Do I draw 2 cards with the <Security> effect because it is still in the security stack?
No, you would draw 1. Cards turned over by the security check are not included in the number of security cards.
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Questions and answers are Bandai's official rulings, collected and translated by the DigimonCardGame Wiki community and reused here under CC BY-SA. Card names and card text are © their respective publishers; Combalo is not affiliated with Bandai.