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
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Managorger Phoenix RRCreature — Phoenix Flying Managorger Phoenix can't block. Whenever you cast a spell, if Managorger Phoenix is in your graveyard, put a flame counter on Managorger Phoenix for each {R} in that spell's mana cost. If Managorger Phoenix has five or more flame counters on it, return it to the battlefield and it perpetually gets +1/+1. 2/2
Branch of Vitu-Ghazi Land {T}: Add {C}. Disguise {3} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When Branch of Vitu-Ghazi is turned face up, add two mana of any one color. Until end of turn, you don't lose this mana as steps and phases end.
Thorn of Amethyst 2Artifact Noncreature spells cost {1} more to cast.
Sanctum of Tranquil Light WLegendary Enchantment — Shrine {5}{W}: Tap target creature. This ability costs {1} less to activate for each Shrine you control.
Ashling's Prerogative 1REnchantment As Ashling's Prerogative enters the battlefield, choose odd or even. (Zero is even.) Each creature with mana value of the chosen quality has haste. Each creature without mana value of the chosen quality enters the battlefield tapped.
World at War 3RRSorcery After the first postcombat main phase this turn, there's an additional combat phase followed by an additional main phase. At the beginning of that combat, untap all creatures that attacked this turn. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)
Greenbelt Rampager GCreature — Elephant When Greenbelt Rampager enters the battlefield, pay {E}{E} (two energy counters). If you can't, return Greenbelt Rampager to its owner's hand and you get {E}. 3/4
Valiant Changeling 5WWCreature — Shapeshifter This spell costs {1} less to cast for each creature type among creatures you control. This effect can't reduce the amount of mana this spell costs by more than {5}. Changeling (This card is every creature type.) Double strike 3/3
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