If I don't trash 1 card in my hand, do I gain 1 memory from this card's ＜When Attacking＞ effect when [Eiji Nagasumi] is still in this Digimon's digivolution cards?

No, you don't gain 1 memory. The effect reads "By..." Therefore, the rest of the effect won't activate if you don't trash a card in your hand.

Loogarmon rulings (BT14-074)

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

Effect: [When Attacking] By trashing 1 card in your hand, Draw 1 If this Digimon has [Eiji Nagasumi] in its digivolution cards, gain 1 memory.
Inherited effect: [Your Turn] [Once Per Turn] When your card with the [Dark Animal] or [SoC] trait is played, gain 1 memory.

Official Q&A

If I don't trash 1 card in my hand, do I gain 1 memory from this card's ＜When Attacking＞ effect when [Eiji Nagasumi] is still in this Digimon's digivolution cards?
No, you don't gain 1 memory. The effect reads "By..." Therefore, the rest of the effect won't activate if you don't trash a card in your hand.
Ruled Mar 28, 2024

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

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.

Loogarmon rulings (BT14-074)

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

Effect: [When Attacking] By trashing 1 card in your hand, Draw 1 If this Digimon has [Eiji Nagasumi] in its digivolution cards, gain 1 memory.
Inherited effect: [Your Turn] [Once Per Turn] When your card with the [Dark Animal] or [SoC] trait is played, gain 1 memory.

Official Q&A

If I don't trash 1 card in my hand, do I gain 1 memory from this card's ＜When Attacking＞ effect when [Eiji Nagasumi] is still in this Digimon's digivolution cards?
No, you don't gain 1 memory. The effect reads "By..." Therefore, the rest of the effect won't activate if you don't trash a card in your hand.
Ruled Mar 28, 2024

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