You can only use this card name’s (1) and (2) effects once per turn each.
(1) If this card is Normal/Special Summoned: You can target 1 WATER monster in your GY; this card gains ATK equal to that target’s ATK.
(2) If this card is sent to the GY: You can target 1 WATER monster you control; it gains 1000 ATK until the end of this turn.