Harbinger of Unmaking

Annihilator 1

Eldrazi nontoken creatures you control have annihilator 1. (Whenever a creature with annihilator 1 attacks, defending player sacrifices one permanent.)

Whenever an opponent sacrifices a creature, put a +1/+1 counter on Harbinger of Unmaking.

{t}{w}{u}{b}{r}{g}: Remove any number of +1/+1 counters from Harbinger of Unmaking Target opponent sacrifices that many permanents.