Permafrost Trap
by Worldwake
Original price
$0.37
-
Original price
$0.49
Original price
$0.49
$0.37
-
$0.49
Current price
$0.49
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.