The Mech Mind

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Germ creature token, then attach this to it.)
Equipped creature has +8/+8 and has "Whenever a player sacrifices a non-token creature, create a 3/3 colorless Drone artifact creature token," and Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)
Equip {8}