Aphemia, the Cacophony is a rare Legendary Enchantment Creature — Harpy card from Theros Beyond Death Promos (PTHB), collector number 84p. Current market price: $0.24 (foil $0.40), TCGplayer market prices via Scryfall.
Flying At the beginning of your end step, you may exile an enchantment card from your graveyard. If you do, create a 2/2 black Zombie creature token.