Embodiment of Fruition

Lands have "{3}: This land becomes a 2/2
green Forest creature that's still a land with
"{t}, Add two mana of any combination
this land could produce. (This effect lasts indefinitely.)
At the beggining of each end step you may pay
{x}{x}, where X is less than or equal to the amount
of Forest creatures that became tapped this turn. If
you do, distrubute X +1/+1 counters among
any number of creatures.