Stab Wound is a uncommon Enchantment — Aura card from Wilds of Eldraine: Enchanting Tales (WOT), collector number 36. Current market price: $0.23 (foil $0.23), TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature gets -2/-2. At the beginning of the upkeep of enchanted creature's controller, that player loses 2 life.