Kamigawa, Abyss Serpent

Reach
When Kamigawa, Abyss Serpent is turned face up, counter target spell.
Morph {3}{b/g} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
The Abyss Serpent was known to be the ruler of the underworld...