Meklord Army of Wisel - LED7-EN028 Common Unlimited

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.