Niv-Mizzet, the Firemind is a rare Legendary Creature — Dragon Wizard card from GRN Guild Kit (GK1), collector number 26. Current market price: — (foil $3.33), TCGplayer market prices via Scryfall.
Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. {T}: Draw a card.