Atlantean Marksman

[ Sea Serpent / Effect ] When this card inflicts battle damage to your opponent: You can Special Summon 1 Level 4 or lower "Atlantean" Sea Serpent monster from your Deck, except "Atlantean Marksman". If this card is sent to the GY to activate a WATER monster's effect: Target 1 Set card your opponent controls; destroy that target. ATK/ 1400 DEF/ 0