If your opponent controls a monster and you control no monsters, you can Special Summon this card (from your hand). You can only Special Summon "Kaiser Sea Snake" once per turn this way. When Summoned this way: You can Special Summon 1 Level 8 Sea Serpent-Type monster from your hand or Graveyard, but its ATK and DEF become 0. If this card is Special Summoned, its Level becomes 4 and original ATK becomes 0.
Near Mint / Lightly Played Unlimited - $0.50
Moderately Played Unlimited - $0.50
Heavily Played Unlimited - $0.50
Damaged Unlimited - $0.50
Near Mint / Lightly Played 1st Edition - $0.50
Moderately Played 1st Edition - $0.50
Heavily Played 1st Edition - $0.50
Damaged 1st Edition - $0.50