Evergrowth Hydra

Evergrowth Hydras power and
toughness are equal to the number
of lands you control.
Evergrowth Hydra enters the battlefield with
X +1/+1 counters on it.
As long as Evergrowth Hydras power is five
or greater it has trample.
As long as Evergrowth Hydras toughness is ten or greater it has hexproof