Serpent Specialist is a common Creature — Human Snake Villain card from Marvel Super Heroes (MSH), collector number 186. Current market price: $0.19 (foil $0.26), TCGplayer market prices via Scryfall.
Deathtouch Power-up — {3}{G}: Put two +1/+1 counters on this creature. (Activate each power-up ability only once. Reduce the cost by its mana cost if it entered this turn.)