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 - $13.40
Lightly Played Unlimited - $12.10
Moderately Played Unlimited - $10.80
Heavily Played Unlimited - $8.10
Damaged Unlimited - $6.70