*Name: Sea Serpent
Type: Summon Serpent
Play Cost: 5 Colorless, 1 Island
Stats: 5 Power/5 Toughness
Game Text: Serpent cannot attack unless opponent has islands in play. Serpent is destroyed immediately if at any time controller has no islands in play.
Card Text: Legend has it that Serpents used to be bigger, but how could that be?
*Source: Front of card
*Name: Sea Serpent
Type: Creature - Serpent
Play Cost: 5 Colorless, 1 Island
Stats: 5 Power/5 Toughness
Game Text: Sea Serpent can't attack unless defending player controls an Island.
When you control no Islands, sacrifice Sea Serpent.
Card Text: Legend has it that Serpents used to be bigger, but how could that be?
*Source: gatherer.wizards.com