Bitterblossom is a mythic Kindred Enchantment — Faerie card from Wilds of Eldraine: Enchanting Tales (WOT), collector number 92. Current market price: — (foil $118.79), TCGplayer market prices via Scryfall.
At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.