16 Island
8 Mountain
1 Ballista Charger
3 Built to Smash
1 Chief Engineer
2 Darksteel Sentinel
3 Etherium Sculptor
2 Galvanic Blast
1 Golem Artisan
3 Golem Foundry
1 Kurkesh, Onakke Ancient
1 Master of Etherium
3 Metallic Rebuke
1 Metalwork Colossus
1 Mycosynth Golem
1 Precursor Golem
3 Renegade Freighter
1 Scuttling Doom Engine
1 Skysovereign, Consul Flagship
2 Snare Thopter
2 Start Your Engines
2 Stoic Rebuttal
1 Tezzeret the Seeker
Sideboard: