Arborlan, Planter of Worlds

Arborlan, Planter of Worlds power is equal to the number of plant creatures you control
When Arborlan, Planter of Worlds attacks, your opponent may sacrifice a nonforest land, if they
do not you may place a +1/+1 counter on Arborlan, Planter of Worlds and it cannot be blocked until
the end of the turn.
Forestfall: when a forest enters th battlefield
under your control create two 1/1 green plant creature tokens