Spell Queller is a rare Creature — Spirit card from Eldritch Moon Promos (PEMN), collector number 189s. Current market price: — (foil $0.90), TCGplayer market prices via Scryfall.
Flash Flying When this creature enters, exile target spell with mana value 4 or less. When this creature leaves the battlefield, the exiled card's owner may cast that card without paying its mana cost.