3 Oxidize
3 Skullclamp
4 Electrostatic Bolt
4 Siege-Gang Commander
4 Goblin Warchief
4 Sparksmith
4 Goblin Sharpshooter
4 Goblin Piledriver
3 Skirk Prospector
4 Goblin Sledder
4 Wooded Foothills
3 Forest
13 Mountain
3 City of Brass

Sideboard
1 Echoing Ruin
1 Oxidize
3 Pulse of the Forge
4 Gempalm Incinerator
2 Threaten
4 Naturalize