
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.
Permafrost Trap has 1 printing, first in Worldwake (2010). EDHREC ranks it #26,425 among Commander cards. It appears most in Heidar, Rimewind Master decks (10 on EDHREC). It has 3 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.