Equip only to a ""Mermail"" monster. It gains 800 ATK. When a Spell effect that was activated on your opponent's side of the field resolves, negate that effect, then send this card to the Graveyard.
Like New Unlimited - $0.30
Like New 1st Edition - $0.50
Light Played Unlimited - $0.20
Light Played 1st Edition - $0.40
Heavy Played Unlimited - $0.10
Heavy Played 1st Edition - $0.20