You can push quite a bit of damage with chapter II/III, and the body also blocks rather well for its cost
The Pitch Elemental cycle from Modern Horizons 2 has proven to be wildly popular, particularly among Modern players, and for good reason: free spells are powerful
I was down to 1 with my opponent at 90+, and through a combination of Nacatl War-Pride, Seedborn Muse, and Essence Warden, I won the game with over 200 life
Hitting max speed with the Assembler is neat and can fuel the Walker since it makes more tokens once it dies
With Kediss by your side, you'll notice increased firepower, improved range, and a sudden influx of new ways to incinerate your foes
In Commander, theres so much mass artifact hate, this likely wont work