Permafrost Trap

Worldwake·2010

Card details

Type

Instant — Trap

Mana cost

{2}{U}{U}

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.

Colors

Blue