Serpent of the Endless Sea

Serpent de la Mer sans fin (Serpent of the Endless Sea) (fr)

Creature - Serpent | Power/Toughness: * / * (CMC 5)
Serpent of the Endless Sea's power and toughness are each equal to the number of Islands you control.
Serpent of the Endless Sea can't attack unless defending player controls an Island.