The Raven Man is a rare Legendary Creature — Human Wizard card from Dominaria United (DMU), collector number 103. Current market price: $0.39 (foil $0.83), TCGplayer market prices via Scryfall.
At the beginning of each end step, if a player discarded a card this turn, create a 1/1 black Bird creature token with flying and "This token can't block." {3}{B}, {T}: Each opponent discards a card. Activate only as a sorcery.