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

Can I activate this card's <On Play> <When Digivolving> effect when I have 0 security cards?
No. If you can't add cards from your security stack to the hand, you can't activate the effect.
Ruled Jun 28, 2024
Can I use this Digimon to attack with this card's <All Turns> effect if it digivolved from a Digimon that was played this turn or a suspended Digimon?
No, you can't. This effect does not allow you to attack with this Digimon if it is in a state where it can't attack.
Ruled Jun 28, 2024
When a card is removed from my security stack, can I use this card's <All Turns> effect to gain <Security Attack +1> without attacking?
No, you can't. You must gain <Security Attack +1> and attack, or you must neither gain <Security Attack +1> nor attack.
Ruled Jun 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.