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BT3-011 U Digimon Lv.4 Alternative Art Greymon Color Red Cost 5 DP 4000 Digivolve Cost 1 Red 2 from Lv.3 Form Champion Attribute Virus Type Dinosaur Card Text 1 [Effect] [Security] At the end of the battle, play this card without paying its memory cost

While we cannot work out the math to a "guaranteed" 100% chance of it occurring, as such a thing doesn't exist, we can do the math for a 99% chance

Big changes have come time and time again as Wizards of the Coast kept bringing the hammer down on problematic cards, all with the intent of balancing out the format

So this card is only useful in Dark Magician based decks

their options are just limited to mana abilities and certain special actions