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
Talent of the Telepath 2UUSorcery Target opponent reveals the top seven cards of their library. You may cast an instant or sorcery spell from among them without paying its mana cost. Then that player puts the rest into their graveyard. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, you may cast up to two instant and/or sorcery spells from among the revealed cards instead of one.
Gravity Negator 3UCreature — Eldrazi Drone Devoid (This card has no color.) Flying Whenever Gravity Negator attacks, you may pay {C}. If you do, another target creature gains flying until end of turn. ({C} represents colorless mana.) 2/3
Djinn Illuminatus 5U/RU/RCreature — Djinn ({U/R} can be paid with either {U} or {R}.) Flying Each instant and sorcery spell you cast has replicate. The replicate cost is equal to its mana cost. (When you cast it, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) 3/5
Return the Past 4RREnchantment As long as it's your turn, each instant and sorcery card in your graveyard has flashback. Its flashback cost is equal to its mana cost.
Malevolent Hermit 1UCreature — Human Wizard {U}, Sacrifice Malevolent Hermit: Counter target noncreature spell unless its controller pays {3}. Disturb {2}{U} (You may cast this card from your graveyard transformed for its disturb cost.) 2/1
Acornelia, Fashionable Filcher 3BLegendary Creature — Squirrel Whenever you cast a spell with a squirrel in its art, you get {A} (an acorn counter). Whenever a Squirrel you control enters the battlefield or dies, you get {A}. {2}{B}, Pay X {A}: Target creature gets -X/-X until end of turn. {G}, Pay X {A}: Target creature gets +X/+X until end of turn. 3/3
Ziatora's Envoy 1BRGCreature — Viashino Warrior Trample Whenever Ziatora's Envoy deals combat damage to a player, look at the top card of your library. You may play a land from the top of your library or cast a spell with mana value less than or equal to the damage dealt from the top of your library without paying its mana cost. If you don't, put that card into your hand. Blitz {2}{B}{R}{G} 5/4
Ragemonger 1BRCreature — Minotaur Shaman Minotaur spells you cast cost {B}{R} less to cast. This effect reduces only the amount of colored mana you pay. (For example, if you cast a Minotaur spell with mana cost {2}{R}, it costs {2} to cast.) 2/3
Nav Squad Commandos 4WCreature — Human Soldier Battalion — Whenever Nav Squad Commandos and at least two other creatures attack, Nav Squad Commandos gets +1/+1 until end of turn. Untap it. 3/5
Crossway Troublemakers 5BCreature — Vampire Attacking Vampires you control have deathtouch and lifelink. Whenever a Vampire you control dies, you may pay 2 life. If you do, draw a card. 5/5
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