Card Codex

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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
Captivating Unicorn 4WCreature — Unicorn Constellation — Whenever an enchantment enters the battlefield under your control, tap target creature an opponent controls. 4/4
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In the Eye of Chaos 2UWorld Enchantment Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its mana value.
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Lightning Cloud 3REnchantment Whenever a player casts a red spell, you may pay {R}. If you do, Lightning Cloud deals 1 damage to any target.
Rimefur Reindeer 3WCreature — Elk Whenever an enchantment enters the battlefield under your control, tap target creature an opponent controls. 3/4
Gerrard's Command GWInstant Untap target creature. It gets +3/+3 until end of turn.
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Bog-Strider Ash 3GCreature — Treefolk Shaman Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) Whenever a player casts a Goblin spell, you may pay {G}. If you do, you gain 2 life. 2/4
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