Old Stickfingers is a rare Legendary Creature — Horror card from Duskmourn: House of Horror Commander (DSC), collector number 227. Current market price: $0.37, TCGplayer market prices via Scryfall.
When you cast this spell, reveal cards from the top of your library until you reveal X creature cards. Put all creature cards revealed this way into your graveyard, then put the rest on the bottom of your library in a random order. Old Stickfingers's power and toughness are each equal to the number of creature cards in your graveyard.