Ghitu Lavarunner is a common Creature — Human Wizard card from Dominaria (DOM), collector number 127. Current market price: $0.21 (foil $0.48), TCGplayer market prices via Scryfall.
As long as there are two or more instant and/or sorcery cards in your graveyard, this creature gets +1/+0 and has haste. (It can attack and {T} as soon as it comes under your control.)