Guardians of the Forest

Whenever a land enters the battlefield under
your control, put a growth counter on Guardians
of the Forest.
{1}{g}{g}: Search your library for a land
card and put it onto the battlefield tapped,
then shuffle your library.
{2}{g}{g}: Remove two growth counters from
Guardians of the Forest: Put a +1/+1 counter on
each creature you control.