4 Great Furnace
15 Mountain
4 Ball Lightning
3 Browbeat
3 Fling
4 Gamble
4 Goblin Welder
4 Hellspark Elemental
1 Mana Vault
4 Myr Retriever
4 Perilous Myr
4 Phyrexian Dreadnought
1 Ratchet Bomb
3 Reckless Abandon
4 Shrapnel Blast
2 Slobad, Goblin Tinkerer
1 Sol Ring
3 Soul's Fire
4 Torpor Orb
Sideboard: