[Requirement] If your opponent controls a monster, you can activate this by placing 1 “Sea Dragon King Granganoth” or 1 “Grand Extreme” on the bottom of your Deck.
[Effect] Special Summon 1 monster (Sea Serpent-Type or Fish-Type) from the hand to your field face-up. During this turn, monsters (non-WATER) cannot attack.
Atom 1.0
