Startle is a common Instant card from Innistrad: Midnight Hunt (MID), collector number 78. Current market price: $0.21 (foil $0.22), TCGplayer market prices via Scryfall.
Target creature gets -2/-0 until end of turn. Create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.) Draw a card.