You can Ritual Summon this card with "Rebirth of Nephthys". You can only use each of the following effects of "Devotee of Nephthys" once per turn.
• If this card is Ritual Summoned: You can activate this effect; Special Summon 1 "Nephthys" monster from your Deck, also during the End Phase of this turn, destroy this card.
• If this card is in the GY: You can destroy 1 "Nephthys" card in your hand, and if you do, Special Summon this card.