Neptabyss, the Atlantean Prince (Ultra Rare)

You can send 1 "Atlantean" monster from your Deck to the Graveyard, except "Neptabyss, the Atlantean Prince", add 1 "Atlantean" card from your Deck to your hand, except "Neptabyss, the Atlantean Prince". If this card is sent to the Graveyard to activate a WATER monster's effect: Target 1 "Atlantean" monster in your Graveyard, except "Neptabyss, the Atlantean Prince", Special Summon it. You can only use each effect of "Neptabyss, the Atlantean Prince" once per turn.