20 Mountain
3 Arc Lightning
2 Collateral Damage
4 Dragon Fodder
3 Fiery Impulse
4 Goblin Glory Chaser
3 Goblin Heelcutter
4 Goblin Piledriver
4 Hordeling Outburst
4 Mardu Scout
2 Outnumber
3 Reckless Bushwhacker
4 Titan's Strength
Sideboard:
2 Boiling Earth
1 Break Through the Line
2 Impact Tremors
4 Magmatic Chasm
1 Molten Vortex
2 Outpost Siege
3 Roast