Winged Portent is a rare Instant card from Innistrad: Crimson Vow (VOW), collector number 365. Current market price: $0.39 (foil $0.48), TCGplayer market prices via Scryfall.
Cleave {4}{G}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Draw a card for each creature you control [with flying].