You can only use the 1st and 2nd effects of this card’s name each once per turn.
(1) If you control a WATER monster: You can Special Summon this card from your hand. You cannot Special Summon monsters the turn you activate this effect, except WATER monsters.
(2) You can banish this card from your GY, then target up to 3 WATER monsters in your GY; shuffle them into the Deck.