Locked in the Cemetery 
Enchantment — Aura
Enchant creature When this Aura enters, if there are five or more cards in your graveyard, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL