Cemetery Illuminator is a mythic Creature — Spirit card from Innistrad: Double Feature (DBL), collector number 317. Current market price: $1.44 (foil $5.69), TCGplayer market prices via Scryfall.
Flying Whenever this creature enters or attacks, exile a card from a graveyard. You may look at the top card of your library any time. Once each turn, you may cast a spell from the top of your library if it shares a card type with a card exiled with this creature.