Permafrost Trap Tweet NM-Mint, English, 4 In stock CAD$ 0.25 Details Color: Blue Card Text: If an opponent had a green creature enter the battlefield under his or her control this turn, you may pay {U} rather than pay Permafrost Trap's mana cost. Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. Rarity: U Cost: 2UU Card Type: Instant ? Trap Name: Permafrost Trap Finish: Regular Set Name: Worldwake