For the rest of this turn after this card resolves, you cannot Special Summon monsters, except "Mekk-Knight" monsters
Fortunately, it is recognized as a card obtained once, so you can get it again by entering the password
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)
So, when you have cards that block both you and your opponents actions, you want this to affect mostly your opponent
They are receiving support later in 2025, and the cards look promising
However, even if you ignore the summoning conditions, if he doesn't have his Continuous Trap accumulated in GY, he will just become a spell/trap removal card, so you can actively use his Continuous Trap in Lost Paradise