Tim, Friend of the Treefolk

Treefolk spells you cast cost {1} less.
{t} Add a {g} mana to your mana pool for
each +1/+1 counter on Tim, Friend of the
Treefolk until the end of the turn.
Tim, Friend of the Treefolk gets a +1/+1
counter for each Treefolk creature that comes
into play.
"I have become a friend of nature in order to
keep fools like you away from nature's grasp."
-Tim