During your Main Phase, you can Normal Summon 1 Level 4 or lower Sea Serpent-Type monster in addition to your Normal Summon/Set. (You can only gain this effect once per turn.) When this card is sent to the Graveyard to activate a WATER monster's effect: Target 1 face-up card your opponent controls; destroy that target.
Near Mint Unlimited - $24.30
Lightly Played Unlimited - $21.90
Moderately Played Unlimited - $19.50
Heavily Played Unlimited - $12.20
Damaged Unlimited - $9.80