If your "King of the Skull Servants" attacks a Defense Position monster, inflict piercing battle damage to your opponent. Once per turn: You can target 1 "Skull Servant" or "King of the Skull Servants" in your GY; send 1 "Skull Servant" or 1 monster that mentions it from your Deck to the GY, and if you do, Special Summon that target, also you cannot Special Summon for the rest of this turn, except Zombie monsters.