『「アルファ版」「ベータ版」「アンリミテッド」』のカード

《Illusionary Mask》

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Poly Artifact

ooX You can summon a creature face down so opponent doesn't know what it is. The X cost can be any amount of mana, even 0; it serves to hide the true casting cost of the creature, which you still have to spend. As soon as a face-down creature receives damage, deals damage, or is tapped, you must turn it face up.

[1E]:R [2E]:R [2U]:R [ME3]:R