Toreth, Hellmouth Ward

Trample, reach
Toreth, Hellmouth Ward enters the battlefield with seven +1/+1 counters on it.
Whenever Toreth would be dealt damage, instead remove that many +1/+1 counters from it.
At the beginning of each end step, place X +1/+1 counters on Toreth, where X is 2 times the number of counters removed from Toreth due to combat damage this turn.