4 Darksteel Citadel
4 Skullclamp
4 Arcbound Ravager
4 Arcbound Worker
2 Tree of Tales
4 Welding Jar
3 Pyrite Spellbomb
4 Myr Enforcer
4 Shrapnel Blast
4 Great Furnace
4 Frogmite
4 Glimmervoid
4 Disciple of the Vault
4 Vault of Whispers
4 Chromatic Sphere
3 Ornithopter

Sideboard
3 Slobad, Goblin Tinkerer
4 Furnace Dragon
4 Seething Song
4 Pyroclasm