Oona, Queen of the Fae is a mythic Legendary Creature — Faerie Wizard card from From the Vault: Legends (V11), collector number 8. Current market price: — (foil $5.76), 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.