Canoptek Reanimator

Equipped creature gets +2/+2, has intimidate, and is a black Zombie.
Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay {4}. If
you do, return that card to the battlefield and attach this Equipment to it.
Equip {4}

Unthinking and unyielding, the Reanimator strides through the battlefield, enhancing the Necrons' Reanimation Protocols, to the great sorrow of their foes.