Karlov of the Ghost Council

Karlov of the Ghost Council {W}{B}

Legendary Creature - Spirit Advisor | Power/Toughness: 2 / 2 (CMC 2)
Whenever you gain life, put two +1/+1 counters on Karlov of the Ghost Council.
{W}{B}, Remove six +1/+1 counters from Karlov of the Ghost Council: Exile target creature.