Gruesome Menagerie is a rare Sorcery card from Guilds of Ravnica Promos (PGRN), collector number 71s. Current market price: — (foil $0.37), TCGplayer market prices via Scryfall.
Choose a creature card with mana value 1 in your graveyard, then do the same for creature cards with mana value 2 and 3. Return those cards to the battlefield.