You can Special Summon “Darklord Nergal(s)” only once per turn.
You can use the (2)nd effect with this card’s name only once per turn.
(1) If your Fairy monster attacks a Defense Position monster, inflict piercing battle damage to your opponent.
(2) (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.