Damian, the Flagellant

Whenever Damian, the Flagellant is dealt combat damage, put a +1/+1 counter on it.
Whenever a -1/-1 counter is put on Damian, the Flagellant, gain 2 life.
{2}{b/r}, {t}: Move a -1/-1 counter form target creature you control to Damian, the Flagellant.
There is power in the Blood, for those with the fortitude to pay the price. — the Ancestor