Equip only to a "Mermail" monster. It gains 800 ATK. When the effect of a Trap Card that was activated on your opponent's side of the field resolves, negate that effect, then send this card to the Graveyard.
Near Mint Unlimited - $0.30
Near Mint 1st Edition - $0.30
Lightly Played Unlimited - $0.30
Lightly Played 1st Edition - $0.30
Moderately Played Unlimited - $0.20
Moderately Played 1st Edition - $0.30
Played Unlimited - $0.20
Played 1st Edition - $0.20