What kind of card does "a card with X in its text" refer to?
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It refers to a card that contains the specified text or icon in its name, traits, effects, inherited effects, (Rule), digivolve requirements, DNA Digivolve, DigiXros requirements, Burst Digivolve, App Fusion, Link, or Assembly requirements. For example, "a card with [Knightmon] in its text" would include cards with the name [DarkKnightmon] and cards with the text [Knightmon] in their effects.
Source: BT26-009 Hyokomon
