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:
1 Magmatic Chasm
1 Outpost Siege
1 Roast
1 Subterranean Scout
1 Temur Battle Rage