Ghostship of the Dreadsea

Submerge {2}{u} ({2}{u}: Exile this card and up to
one other face down permanent in a face-down pile.
Shuffle them, then return those cards to the battlefield
face down. Submerge only at any time you could cast
a sorcery.)
Morph — {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.)
Crew 2