Thunderous Orator is a uncommon Creature — Kor Wizard card from Strixhaven: School of Mages (STX), collector number 35. Current market price: $0.23 (foil $0.24), TCGplayer market prices via Scryfall.
Vigilance Whenever this creature attacks, it gains flying until end of turn if you control a creature with flying. The same is true for first strike, double strike, deathtouch, indestructible, lifelink, menace, and trample.