Slipstream Serpent

Slipstream Serpent

Creature - Serpent | Power/Toughness: 6 / 6 (CMC 8)
Slipstream Serpent can't attack unless defending player controls an Island.
When you control no Islands, sacrifice Slipstream Serpent.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)