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
As Foretold 2UEnchantment At the beginning of your upkeep, put a time counter on As Foretold. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on As Foretold.
Mist of Stagnation 3UUEnchantment Permanents don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player chooses a permanent for each card in their graveyard, then untaps those permanents.
Bewitching Leechcraft 1UEnchantment — Aura Enchant creature When Bewitching Leechcraft enters the battlefield, tap enchanted creature. Enchanted creature has "If this creature would untap during your untap step, remove a +1/+1 counter from it instead. If you do, untap it." (Otherwise, it doesn't untap.)
Benthicore 6UCreature — Elemental When Benthicore enters the battlefield, create two 1/1 blue Merfolk Wizard creature tokens. Tap two untapped Merfolk you control: Untap Benthicore. It gains shroud until end of turn. (It can't be the target of spells or abilities.) 5/5
Seasinger 1UUCreature — Merfolk When you control no Islands, sacrifice Seasinger. You may choose not to untap Seasinger during your untap step. {T}: Gain control of target creature whose controller controls an Island for as long as you control Seasinger and Seasinger remains tapped. 0/1
Vigilant Drake 4UCreature — Drake Flying {2}{U}: Untap Vigilant Drake. 3/3
Sickening Shoal XBBInstant — Arcane You may exile a black card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets -X/-X until end of turn.
Howltooth Hollow Land Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Howltooth Hollow enters the battlefield tapped. {T}: Add {B}. {B}, {T}: You may play the exiled card without paying its mana cost if each player has no cards in hand.
Eye of Duskmantle 5BBCreature — Eye Flying, lifelink You may play lands and cast spells from among cards in your graveyard you've surveilled this turn. If you cast a spell this way, you pay life equal to its mana value rather than paying its mana cost. 3/8
Shelldock Isle Land Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Shelldock Isle enters the battlefield tapped. {T}: Add {U}. {U}, {T}: You may play the exiled card without paying its mana cost if a library has twenty or fewer cards in it.
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