Meklord Army of Wisel (LED7-EN028) [Legendary Duelists: Rage of Ra]

This card gains 100 ATK for each "Meklord" monster on the field, except this card. Once per turn, when another "Meklord" monster you control declares an attack on a Defense Position monster your opponent controls: You can activate this effect; during that battle, if it attacks a Defense Position monster, inflict piercing battle damage to your opponent.