What does this card's "when an effect places the top card of this Digimon in its digivolution cards" mean, exactly?
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Official Ruling
It refers to when a digivolution card or the top card of the Digimon with this card in its digivolution cards is placed in this Digimon's digivolution cards by an effect such as [EX5-007 Coronamon]'s inherited effect. It doesn't include cases where a card becomes a digivolution card through digivolution.
