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 card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
Near Mint - $0.30
Lightly Played - $0.30
Moderately Played - $0.20
Heavily Played - $0.20
Damaged - $0.20
Near Mint Spanish - $0.30
Lightly Played Spanish - $0.30
Moderately Played Spanish - $0.20
Heavily Played Spanish - $0.20
Damaged Spanish - $0.20
Foil Prices
Near Mint Foil - $0.20
Lightly Played Foil - $0.20
Moderately Played Foil - $0.20
Heavily Played Foil - $0.20
Damaged Foil - $0.10
Near Mint Foil Spanish - $0.20
Lightly Played Foil Spanish - $0.20
Moderately Played Foil Spanish - $0.20
Heavily Played Foil Spanish - $0.20
Damaged Foil Spanish - $0.10