Nephthys, the Sacred Preserver

2 "Nephthys" monsters
You can only use the following effect of "Nephthys, the Sacred Preserver" once per turn. During your Main Phase, if this card was Link Summoned: You can activate 1 of these effects;
● Add 1 Level 8 Winged Beast monster from your Deck to your hand, then you can add 1 Ritual Spell from your GY to your hand.
● Destroy 1 "Nephthys" monster this card points to, and Special Summon 1 "Nephthys" monster with a different original name from your GY, but negate its effects.