Skarrgan Pit-Skulk is a common Creature — Human Warrior card from Duel Decks: Mind vs. Might (DDS), collector number 50. Current market price: $0.06, TCGplayer market prices via Scryfall.
Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.) Creatures with power less than this creature's power can't block it.