Locked in the Cemetery is a common Enchantment — Aura card from Innistrad: Double Feature (DBL), collector number 60. Current market price: $0.09 (foil $0.26), TCGplayer market prices via Scryfall.
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.