Gutsplitter Gang is a uncommon Creature — Goblin Berserker card from Lorwyn Eclipsed (ECL), collector number 106. Current market price: $0.13 (foil $0.31), TCGplayer market prices via Scryfall.
At the beginning of your first main phase, you may blight 2. If you don't, you lose 3 life. (To blight 2, put two -1/-1 counters on a creature you control.)