Macabre Mockery is a uncommon Instant card from Ravnica Allegiance (RNA), collector number 191. Current market price: $0.12 (foil $0.49), TCGplayer market prices via Scryfall.
Put target creature card from an opponent's graveyard onto the battlefield under your control. It gets +2/+0 and gains haste until end of turn. Sacrifice it at the beginning of the next end step.