4 Ancestral Anger
2 Chaotic Backlash
2 Commandeer
4 Grand Architect
4 Havengul Lich
4 Heartless Summoning
4 Master of Etherium
3 Mishra, Artificer Prodigy
4 Myr Superion
4 Painter's Servant
4 Perilous Myr
4 Precursor Golem
3 Urza, Lord High Artificer
Sideboard:
1 Aether Vial
1 Chief Engineer
1 Enthusiastic Mechanaut
1 Ephemerate
1 Etherium Sculptor
1 Maskwood Nexus
1 Naban, Dean of Iteration