Effect
When this card destroys an opponent's monster by battle and sends it to the Graveyard: You can discard 1 WATER monster to the Graveyard; Special Summon 1 "Mermail" monster from your Deck in face-up Defense Position. You can only use the effect of "Mermail Abyssnose" once per turn.
The monster effect of "Mermail Abyssnose" is a Trigger Effect.
This effect is activated when "Mermail Abyssnose" destroys an opponent's monster by battle and sends it to the Graveyard (at the end of the Damage Step).
This effect does not target.
When activating this effect, you must discard 1 WATER monster from your hand to the Graveyard as a cost.
If "Mermail Abyssnose" battles a monster with the same ATK and both are destroyed, you cannot activate its monster effect.
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