Poseidon Wave

Yu-Gi-Oh Card: Poseidon Wave
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Poseidon Wave
Type:Normal Trap
Text:When an opponent's monster declares an attack: Target the attacking monster; negate that target's attack, and if you control any face-up Fish, Sea Serpent, or Aqua-Type monsters, inflict 800 damage to your opponent for each of those monsters.
Printings: Battle Pack 3: Monster League (BP03-EN223)
Generation Force (GENF-EN064)