Owlin Shieldmage is a common Creature — Bird Warlock card from Strixhaven: School of Mages (STX), collector number 210. Current market price: $0.11 (foil $0.22), TCGplayer market prices via Scryfall.
Flying Ward—Pay 3 life. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 3 life.)