20 Mountain
4 Goblin Glory Chaser
4 Goblin Heelcutter
4 Goblin Piledriver
2 Harness the Storm
3 Harnessed Lightning
3 Hordeling Outburst
4 Lightning Bolt
4 Lightning Strike
4 Mardu Scout
3 Shock
4 Subterranean Scout
2 Temur Battle Rage
Sideboard:
3 Arc Lightning
2 Molten Vortex
2 Rending Volley
3 Smash to Smithereens
3 Tormod's Crypt