Splatter Thug is a common Creature — Human Warrior card from Return to Ravnica (RTR), collector number 105. Current market price: $0.07 (foil $0.09), TCGplayer market prices via Scryfall.
First strike Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)