Cemetery Tampering is a rare Enchantment card from Streets of New Capenna (SNC), collector number 69. Current market price: $0.31 (foil $0.43), TCGplayer market prices via Scryfall.
Hideaway 5 (When this enchantment enters, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.) At the beginning of your upkeep, you may mill three cards. Then if there are twenty or more cards in your graveyard, you may play the exiled card without paying its mana cost.