Illicit Masquerade is a rare Enchantment card from Murders at Karlov Manor Promos (PMKM), collector number 88p. Current market price: $0.33 (foil $0.29), TCGplayer market prices via Scryfall.
Flash When this enchantment enters, put an impostor counter on each creature you control. Whenever a creature you control with an impostor counter on it dies, exile it. Return up to one other target creature card from your graveyard to the battlefield.