Extremis Elite is a common Creature — Human Mercenary Villain card from Marvel Super Heroes Commander (MSC), collector number 763. Current market price: $0.15 (foil $0.24), TCGplayer market prices via Scryfall.
Power-up — {4}{R}: Put two +1/+1 counters on this creature. It deals 1 damage to any target. (Activate each power-up ability only once. Reduce the cost by its mana cost if it entered this turn.)