You can Ritual Summon this card with "Rebirth of Nephthys". If this card is Ritual Summoned: You can Special Summon 1 "Nephthys" Ritual Monster from your hand or Deck, except "Conductor of Nephthys" (this is treated as a Ritual Summon). If this card is Tributed or destroyed by a "Nephthys" card effect: You can activate this effect; during the next Standby Phase, destroy up to 3 "Nephthys" cards, except Ritual Monsters, 1 each from your hand, Deck, and field. You can only use each effect of "Conductor of Nephthys" once per turn.