[Requirement] You can activate this by sending 1 Spell/Trap Card from your hand to the Graveyard.
[Effect] Choose 1 monster (Fish-Type, Sea Serpent-Type, Aqua-Type or Thunder-Type) in your Graveyard and Special Summon it face-up. The monster Special Summoned by this effect loses 800 ATK until the end of the turn.
Atom 1.0
