| atk = 800
| def = 0
| number passcode = 21565445
| effect_types = Ignition, Trigger, Condition
| lore = You can [[send]] 1 "[[Atlantean]]" [[Monster Card|monster]] from your [[Main Deck|Deck]] to the [[Graveyard]], except "Neptabyss, the Atlantean Prince"; [[Add a card|add]] 1 "Atlantean" card from your [[Main Deck|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 [[Card effect|effect]] of "Neptabyss, the Atlantean Prince" [[once per turn]].