Ghitu Lavarunner is a common Creature — Human Wizard card from Foundations (FDN), collector number 623. Current market price: $0.11, 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.)