Name
Permafrost Trap
Set Name
Worldwake
Set Type
Expansion
Mana
Type Line
Instant — Trap
Rarity
Uncommon
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.