Megalon

Whenever Megalon or another permanent you
control is turned face up, draw a card and put a
+1/+1 counter on that permanent.
Discard a card: Turn a face-up creature you
control face down.
Morph {b}{g}{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.)