Donal, Herald of Wings is a mythic Legendary Creature — Human Wizard card from Crimson Vow Commander (VOC), collector number 3. Current market price: $0.47 (foil $0.47), TCGplayer market prices via Scryfall.
Whenever you cast a nonlegendary creature spell with flying, you may copy it, except the copy is a 1/1 Spirit in addition to its other types. Do this only once each turn. (The copy becomes a token.)