Borghild, the Devourer

Trample
Absorption - Whenever a Hydra you control dies,
you gain life equal to that Hydra's power and
put a +1/+1 counter on Borghild, the Devourer.
This ability triggers no more than once per turn
for all cards you control.
Borghild, the Devourer enters the battlefield
with X +1/+1 counters on it.