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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
Crypsis 1UInstant Target creature you control gains protection from creatures your opponents control until end of turn. Untap it.
Wild Evocation 5REnchantment At the beginning of each player's upkeep, that player reveals a card at random from their hand. If it's a land card, the player puts it onto the battlefield. Otherwise, the player casts it without paying its mana cost if able.
Topan Ascetic 2GCreature — Human Monk Tap an untapped creature you control: Topan Ascetic gets +1/+1 until end of turn. 2/2
Spell Pierce UInstant Counter target noncreature spell unless its controller pays {2}.
Hindering Touch 3UInstant Counter target spell unless its controller pays {2}. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)
Release to the Wind 2UInstant Exile target nonland permanent. For as long as that card remains exiled, its owner may cast it without paying its mana cost.
Clash of Wills XUInstant Counter target spell unless its controller pays {X}.
Convolute 2UInstant Counter target spell unless its controller pays {4}.
Flaccify 2UInstant Counter target spell unless its controller pays {3}{½}.
Force Spike UInstant Counter target spell unless its controller pays {1}.
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