Cullathe, Roaming Plague

Wither
When Cullathe, Roaming Plague enters the
battlefield, distribute two -1/-1 counters
among one or two target creatures.
Cullathe, Roaming Plague has +1/+1 for each
creature with -1/-1 counters you control.
Whenever a creature with -1/-1 counter dies,
put a -1/-1 counter on target creature.