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

This card’s effect reads, “if [WarGrowlmon] or [X Antibody] in this Digimon’s digivolution cards”. Does having a card with [X Antibody] in its traits count?
No. This effect specifies a card name, so you must have a card whose name is either [WarGrowlmon] or [X Antibody] in this Digimon’s digivolution cards. Having a card with [X Antibody] in its traits doesn't count.
Ruled Mar 28, 2024
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