The faces of Geth's corpse-dredgers are disturbingly similar.

The Brothers' War Commander

Mirrorworks

Whenever another nontoken artifact enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that artifact.

Whenever another nontoken artifact you control enters, you may pay {2}. If you do, create a token that's a copy of that artifact.

Commander 2018

Mirrodin Besieged

Whenever another nontoken artifact enters the battlefield under your control, you may pay {2}. If you do, put a token that's a copy of that artifact onto the battlefield.