Great Jagras

Devour 2 (As this creature enters the battlefield,
you may sacrifice any number of creatures. This creature enters the battlefield with twice that
many +1/+1 counters.)
As Great Jagras enters the battlefield, create
X 1/1 green dragon lizard creature tokens named Jagras where X is equal to half the number of
+1/+1 counters on Great Jagras.