Doomsday Excruciator is a rare Creature — Demon card from Duskmourn: House of Horror (DSK), collector number 346. Current market price: $1.55 (foil $3.08), TCGplayer market prices via Scryfall.
Flying When this creature enters, if it was cast, each player exiles all but the bottom six cards of their library face down. At the beginning of your upkeep, draw a card.