Permafrost Trap
Instant — Trap
{2}{U}{U}
Mana Cost
4.0
Mana Value
-
USD Price
uncommon
Rarity
Oracle Text
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.