Wall of Frost

Creature — Wall    (CMC:3)

Defender (This creature can't attack.) Whenever Wall of Frost blocks a creature, that creature doesn't untap during its controller's next untap step.

"I have seen countless petty warmongers gaze on it for a time before turning away."

083 M15 • ENMike Bierek

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Legal in: Modern,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Tribal Wars Standard,Singleton 100,Commander

Oracle Text (click to copy):

Wall of Frost {1}{U}{U} Creature — Wall Defender (This creature can't attack.) Whenever Wall of Frost blocks a creature, that creature doesn't untap during its controller's next untap step. 0/7

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10/1/2009
Unlike Sleep, Wall of Frost's triggered ability tracks the creature, but not its controller. If the creature changes controllers before its first controller's next untap step has come around, then it won't untap during its new controller's next untap step.

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