Rar, the spirit of the forest

Haste, trample, lifelink
All bears are given a +1/+1 counter.
Any time Rar, the spirit of the forest is given a
+1/+1 counter he gets another +1/+1 until end
of turn.
Any time Rar, the spirit of the forest is given a
+1/+1 counter create a 2/2 White bear token
creature with lifelink.
{x}{g}{r}{w}{t}create X 2/2 green bear token
creatures with first strike, lifelink, and
double strike.