Diregraf Rebirth is a uncommon Sorcery card from Innistrad: Midnight Hunt (MID), collector number 220. Current market price: $0.23 (foil $0.30), TCGplayer market prices via Scryfall.
This spell costs {1} less to cast for each creature that died this turn. Return target creature card from your graveyard to the battlefield. Flashback {5}{B}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)