Barkhide Tusker

Whenever Barkhide Tusker deals damage to
a creature, put a +1/+1 counter on it.
Barkhide Tusker has hexproof as long as it has three or more +1/+1 counters on it.
The boars of the east are covered in think fur that mats together to create a bark like shell. Impenetrable, the boars are absolute predators, though they don't eat prey.