Abomination, Terrifying Titan (Marvel Super Heroes)

Legendary Creature Ñ Gamma Villain - Trample
Power-up Ñ {5}{R/G}{R/G}: Put a +1/+1 counter on Abomination. He fights up to one target creature an opponent controls. (Activate each power-up ability only once. Reduce the cost by his mana cost if he entered this turn.)