Permafrost Trap

Instant — Trap    (CMC:4)

If an opponent had a green creature enter the battlefield under his or her control this turn, you may pay rather than pay Permafrost Trap's mana cost. Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

34 WWK • ENHoward Lyon

™ & © 1993—2010 Wizards of the Coast

Legal in: Modern,Zendikar Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Classic,Singleton 100,Commander

Oracle Text (click to copy):

Permafrost Trap {2}{U}{U} Instant — Trap If an opponent had a green creature enter the battlefield under his or her control this turn, you may pay {U} rather than pay Permafrost Trap's mana cost. Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

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3/1/2010
You may target any two (or fewer) creatures. It's okay if any of them are already tapped. If you cast Permafrost Trap for , you don't have to target the green creature that entered the battlefield under an opponent's control.
3/1/2010
If a targeted creature is untapped at the time its controller's next untap step begins, the second part of the ability has no effect on it.
3/1/2010
If an affected creature changes controllers before its previous controller's next untap step, this ability will prevent it from untapping during its new controller's next untap step.

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