When this Digimon attacked, my opponent didn't have any Digimon with digivolution cards, and I wasn't able to use the [When Attacking] effect to trash digivolution cards. Do I still get to trigger <Draw 1> and gain 1 memory?
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Official Ruling
No. If you didn't trash any digivolution cards with the [When Attacking] effect, you don't get to trigger <Draw 1> or gain 1 memory.
Source: BT4-034 Regalecusmon