Wingspan Mentor is a uncommon Creature — Human Wizard card from Ikoria: Lair of Behemoths (IKO), collector number 72. Current market price: $0.19 (foil $0.33), TCGplayer market prices via Scryfall.
When this creature enters, put a flying counter on target non-Human creature you control. {2}{U}, {T}: Put a +1/+1 counter on each creature you control with flying.