You can only use tthe 1st and 2nd effect of this card’s name each once per turn.
(1) You can send 1 other WATER monster from your hand or face-up field to the GY; Special Summon this card from your hand.
(2) If this card is Normal or Special Summoned: You can send 1 “Atlantean” or “Mermail” monster from your Deck to the GY, then target 1 card your opponent controls; return it to the hand.
(3) Your opponent’s monsters cannot target this card for attacks while you control a monster other than “Poseidra the Rumbling Atlantean”.
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