4 Darksteel Citadel
10 Island
10 Mountain
3 Chief Engineer
1 Chimeric Mass
3 Etched Champion
4 Ghostfire Blade
4 Goblin Kaboomist
2 Goblin Welder
1 Kuldotha Forgemaster
3 Myr Battlesphere
3 Myr Retriever
4 Scrap Mastery
1 Steel Overseer
2 Tezzeret the Seeker
4 Thoughtcast
1 Wurmcoil Engine
Sideboard: