Feather, the Redeemed is a rare Legendary Creature — Angel card from War of the Spark (WAR), collector number 197. Current market price: $1.06 (foil $3.62), TCGplayer market prices via Scryfall.
Flying Whenever you cast an instant or sorcery spell that targets a creature you control, exile that card instead of putting it into your graveyard as it resolves. If you do, return it to your hand at the beginning of the next end step.