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
Dwarven Hold Land Dwarven Hold enters the battlefield tapped. You may choose not to untap Dwarven Hold during your untap step. At the beginning of your upkeep, if Dwarven Hold is tapped, put a storage counter on it. {T}, Remove any number of storage counters from Dwarven Hold: Add {R} for each storage counter removed this way.
Hollow Trees Land Hollow Trees enters the battlefield tapped. You may choose not to untap Hollow Trees during your untap step. At the beginning of your upkeep, if Hollow Trees is tapped, put a storage counter on it. {T}, Remove any number of storage counters from Hollow Trees: Add {G} for each storage counter removed this way.
Icatian Store Land Icatian Store enters the battlefield tapped. You may choose not to untap Icatian Store during your untap step. At the beginning of your upkeep, if Icatian Store is tapped, put a storage counter on it. {T}, Remove any number of storage counters from Icatian Store: Add {W} for each storage counter removed this way.
Sand Silos Land Sand Silos enters the battlefield tapped. You may choose not to untap Sand Silos during your untap step. At the beginning of your upkeep, if Sand Silos is tapped, put a storage counter on it. {T}, Remove any number of storage counters from Sand Silos: Add {U} for each storage counter removed this way.
Zhalfirin Decoy 1WCreature — Human Soldier {T}: Tap target creature. Activate only if you had a creature enter the battlefield under your control this turn. 1/3
Knowledge Pool 6Artifact Imprint — When Knowledge Pool enters the battlefield, each player exiles the top three cards of their library. Whenever a player casts a spell from their hand, that player exiles it. If the player does, they may cast a spell from among other cards exiled with Knowledge Pool without paying its mana cost.
Crab Umbra UEnchantment — Aura Enchant creature {2}{U}: Untap enchanted creature. Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
Broken Ambitions XUInstant Counter target spell unless its controller pays {X}. Clash with an opponent. If you win, that spell's controller mills four cards. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)
Memory Vampire 4UBCreature — Vampire Detective Flying Whenever Memory Vampire deals combat damage to a player, any number of target players each mill that many cards. Then you may collect evidence 9. When you do, you may cast target nonland card from defending player's graveyard without paying its mana cost. 4/4
Nightmare Lash 4Artifact — Equipment Equipped creature gets +1/+1 for each Swamp you control. Equip—Pay 3 life. (Pay 3 life: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)
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