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17 May 2024: Card library updated.

Permafrost Trap

2UU · Instant — Trap

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

Similar cards

Color identity:
NameManaTypeText
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Unassuming Sage 1WCreature — Human Peasant Wizard When Unassuming Sage enters the battlefield, you may pay {2}. If you do, create a Sorcerer Role token attached to it. (Enchanted creature gets +1/+1 and has "Whenever this creature attacks, scry 1.") 2/2
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Leyline Dowser 2Artifact {1}, {T}: Mill a card. You may put an instant or sorcery card milled this way into your hand. Tap an untapped legendary creature you control: Untap Leyline Dowser.
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