Niv-Mizzet, the Firemind is a rare Legendary Creature — Dragon Wizard card from Masters 25 (A25), collector number 210. Current market price: $1.12 (foil $2.25), TCGplayer market prices via Scryfall.
Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. {T}: Draw a card.