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Equip only to a "Mermail" monster. It gains 400 ATK. When a monster effect that was activated on your opponent's side of the field resolves, negate that effect, then send this card to the Graveyard.
Unlimited
NM
$0.26
$0.15
LP
$0.18
$0.13
MP
$0.14
$0.12
HP
$0.25
DM
$0.30
1st Edition
$0.37
$0.21
$0.16
