Kess, Dissident Mage is a mythic Legendary Creature — Human Wizard card from Commander 2017 (C17), collector number 39. Current market price: — (foil $4.43), TCGplayer market prices via Scryfall.
Flying Once during each of your turns, you may cast an instant or sorcery spell from your graveyard. If a spell cast this way would be put into your graveyard, exile it instead.