Sidequest: Hunt the Mark

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When this enchantment enters, destroy up to one target creature. At the beginning of your end step, if a creature died under an opponent's control this turn, create a Treasure token. Then if you control three or more Treasures, transform this enchantment. // Yiazmat, Ultimate Mark 1B, Sacrifice another creature or artifact: Yiazmat gains indestructible until end of turn. Tap it.