If your Fairy monster attacks a Defense Position monster, inflict piercing battle damage to your opponent. (Quick Effect): You can pay 1000 LP, then target 1 Darklord Spell Trap in your GY; apply that target s effect, then shuffle that target into the Deck. You can only use this effect of Darklord Nergal once per turn. You can only Special Summon Darklord Nergal once per turn.