Oona, Queen of the Fae is a rare Legendary Creature — Faerie Wizard card from Wilds of Eldraine Commander (WOC), collector number 142. Current market price: $1.85, TCGplayer market prices via Scryfall.
Flying {X}{U/B}: Choose a color. Target opponent exiles the top X cards of their library. For each card of the chosen color exiled this way, create a 1/1 blue and black Faerie Rogue creature token with flying.