Is this card’s ＜Opp Turn＞ effect triggered when I block an opponent’s attack with one of my blue Digimon?

No. The effect only triggers when your opponent chooses one of your blue Digimon as a target of attack.

T.K. Takaishi rulings (BT8-087)

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

Effect: [Start of Your Turn] If you have 2 or less memory, set it to 3. [Opponent's Turn] When one of your opponent's Digimon attacks one of your blue Digimon, you may suspend this Tamer to Draw 1
Security effect: [Security] Play this card without paying the cost.

Official Q&A

Is this card’s ＜Opp Turn＞ effect triggered when I block an opponent’s attack with one of my blue Digimon?
No. The effect only triggers when your opponent chooses one of your blue Digimon as a target of attack.
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.

T.K. Takaishi rulings (BT8-087)

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

Effect: [Start of Your Turn] If you have 2 or less memory, set it to 3. [Opponent's Turn] When one of your opponent's Digimon attacks one of your blue Digimon, you may suspend this Tamer to Draw 1
Security effect: [Security] Play this card without paying the cost.

Official Q&A

Is this card’s ＜Opp Turn＞ effect triggered when I block an opponent’s attack with one of my blue Digimon?
No. The effect only triggers when your opponent chooses one of your blue Digimon as a target of attack.
Ruled Mar 28, 2024

Got a line that uses T.K. Takaishi? Map it in the builder and share it with a link.