Spectral Prison 
Enchantment — Aura
Enchant creature Enchanted creature doesn't untap during its controller's untap step. When enchanted creature becomes the target of a spell, sacrifice this Aura.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL