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

Does this card’s <All Turns> effect activate when a security card is removed from my security stack by one of my own effects?
Yes, it activates.
Ruled Mar 28, 2024
After gaining <Security Attack +1> from this card's <All Turns> effect during my opponent's turn, can this Digimon gain <Security Attack +1> again from this card's <All Turns> effect during my next turn?
Yes, it can.
Ruled Mar 28, 2024
Can I activate this card's <All Turns> effect twice when I use one of my Digimon with <Security Attack +1> to check 2 cards in my opponent's security stack?
No, you can't. This effect is triggered "when a card is removed from your opponent's security stack," so even when you check multiple cards in your opponent's security stack, it is triggered and activates upon the first check. Also, this is a <Once> effect, so this effect activates when a card is removed from their security stack upon the first check, and you can't activate the effect again upon the next check.
Ruled Mar 28, 2024
If the <All Turns> effect gives this Digimon <Security Attack +1> when this card attacks and I check my opponent's security stack, do I get an additional security check?
Yes, you do.
Ruled Mar 28, 2024
An opponent's Digimon with <Security Attack +1> and 8000 DP or less attacked and a security check occurred. If I use this card's <All Turns> effect to delete my opponent's attacking Digimon before the 2nd security check is performed, can I prevent the 2nd security check?
Yes, you can.
Ruled Mar 28, 2024
My Digimon attacked a player and a security check occurred. If this card leaves the battle area due to the revealed card's <Security> effect, does this card’s <All Turns> effect activate?
No, it doesn’t activate. The effect triggers when a card is removed from a security stack, but this card is removed from the battle area before it can activate.
Ruled Mar 28, 2024
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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.