4 Darksteel Citadel
4 Great Furnace
12 Mountain
4 Arcbound Ravager
4 Atog
4 Chromatic Star
4 Ichor Wellspring
4 Lightning Bolt
4 Myr Retriever
4 Myr Servitor
4 Perilous Myr
4 Shrapnel Blast
4 Slag Fiend
Sideboard: