Card Codex

M:tG card similarity search

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
Repel the Darkness 2WInstant Tap up to two target creatures. Draw a card.
Coral Reef UUEnchantment Coral Reef enters the battlefield with four polyp counters on it. Sacrifice an Island: Put two polyp counters on Coral Reef. {U}, Tap an untapped blue creature you control, Remove a polyp counter from Coral Reef: Put a +0/+1 counter on target creature.
Edgewalker 1WBCreature — Human Cleric Cleric spells you cast cost {W}{B} less to cast. This effect reduces only the amount of colored mana you pay. (For example, if you cast a Cleric spell with mana cost {1}{W}, it costs {1} to cast.) 2/2
Hurkyl's Prodigy 2UCreature — Human Soldier When Hurkyl's Prodigy enters the battlefield, create a tapped Powerstone token. Whenever Hurkyl's Prodigy attacks, you may pay {2}. If you do, Hurkyl's Prodigy can't be blocked this turn and it perpetually gets +2/+0. 1/4
Tentative Connection 3RSorcery This spell costs {3} less to cast if you control a creature with menace. Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.
Noble Heritage 1WLegendary Enchantment — Background Commander creatures you own have "When this creature enters the battlefield and at the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. For each opponent who does, you gain protection from that player until your next turn." (You can't be targeted, dealt damage, or enchanted by anything controlled by that player.)
Double Negative UURInstant Counter up to two target spells.
Plague Fiend 1BCreature — Insect Whenever Plague Fiend deals combat damage to a creature, destroy that creature unless its controller pays {2}. 1/1
The Meep 2BLegendary Creature — Alien Ward—Pay 3 life. Whenever The Meep attacks, you may sacrifice another creature. If you do, creatures you control have base power and toughness X/X until end of turn, where X is the sacrificed creature's mana value. 0/4
Seizures 1BEnchantment — Aura Enchant creature Whenever enchanted creature becomes tapped, Seizures deals 3 damage to that creature's controller unless that player pays {3}.
Page 183