Slipstream Serpent

Creature - Serpent 6/6, 7U (8)
Slipstream Serpent can't attack unless defending player controls an Island.
When you control no Islands, sacrifice Slipstream Serpent.
Morph {5}{U} (You may cast this face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)¹
Illus. Darrell Riche

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/9)	Time Spiral (Common)