Convertible Gearhulk

Convertible Gearhulk can be your commander.
Hexproof, indestructible, vigilance, firststrike, haste
When Convertible Gearhulk enters the battlefield, you gain control of all artifacts you
don't control. Then, put all artifacts from exile and from all graveyards onto the battlefield under your control.
Artifacts you cast cost {1} less to cast and have flash, firststrike, and haste.
Crew 6