Krukesh, the Heartless

Partner with Tervaskus, the Cleanser.
Lifelink
{b}{b}{t}: Distribute two -1/-1 counters among
up to two target creatures you don't control.
Whenever another creature dies, Krukesh, the Heartless gains +1/+1 counters equal to the
number of -1/-1 counters on that creature.