Sting-Slinger is a uncommon Creature — Goblin Warrior card from Lorwyn Eclipsed (ECL), collector number 161. Current market price: $0.18 (foil $0.26), TCGplayer market prices via Scryfall.
{1}{R}, {T}, Blight 1: This creature deals 2 damage to each opponent. (To blight 1, put a -1/-1 counter on a creature you control.)