Encase in Ice 
Enchantment — Aura
Flash (You may cast this spell any time you could cast an instant.) Enchant red or green creature When this Aura enters, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL