"V", The Visage of Vendetta

Lifelink

For each {b} in a cost, you may pay 2 life rather
than pay that mana.
Whenever you cast a black spell, put a +1/+1
counter on "V", The Visage of Vendetta.

The only verdict is vengeance; a vendetta, held as a votive, not in vain, for the value and veracity of
such shall one day vindicate the vigilant and the
virtuous.