You can only use this card’s 2nd effect once per turn.
(1) Once per turn (Quick Effect): You can discard 1 Level 4 or lower WATER monster; this card gains 800 ATK, until the end of this turn.
(2) If this Synchro Summoned card is sent to the GY: You can target 1 Level 5 or higher WATER monster in your GY, except “Deep Sea Repetiteur”; Special Summon it in Defense Position, but you cannot Special Summon monsters for the rest of this turn, except WATER monsters.