Marcus Damon (Alternate Art) (BT12-092 R) [Across Time]

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[Start of Your Main Phase] If you have a Digimon with [Agumon] or [Greymon] in its name in play, by paying 1 memory, for the turn, this Tamer is also treated as a 3000 DP Digimon that can't digivolve.
[Your Turn] When this Tamer becomes suspended, 1 of your Digimon may digivolve into a yellow card with (Greymon] in its name in your hand without paying the cost.