Mirrodin Visionary

Megamorph {p/g}{p/u}{g}(You may cast this card face down as a 2/2 creature for {3}. Turn it face up at any time for its megamorph cost and put a +1/+1 counter on it.)
Amplify 2 (As this creature enters the battlefield or turn it face up, put two +1/+1 counter on it for each elf card you reveal in your hand.)
Whenever a +1/+1 counter is put on this creature, you may draw a card.
{t}: Add {g}for each +1/+1 counter on this creature.