Stuck in Summoner's Sanctum 
Enchantment — Aura
Flash Enchant artifact or creature When this Aura enters, tap enchanted permanent. Enchanted permanent doesn't untap during its controller's untap step and its activated abilities can't be activated.
Legality
standardLEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL