20 Mountain
4 Valakut, the Molten Pinnacle
4 Arc Lightning
3 Cunning Sparkmage
4 Don't Try This at Home
2 Flame Fusillade
4 Flames of the Firebrand
4 Granite Shard
4 Lightning Bolt
8 Mechanized Warfare
3 Thermo-Alchemist
4 Vulshok Sorcerer
Sideboard:
2 Chandra, Fire of Kaladesh // Chandra, Roaring Flame
1 Crackling Perimeter
2 Goblin Sharpshooter
1 Jaya, Venerated Firemage
1 Lobber Crew
3 Pyrohemia
1 Razortip Whip
2 Scouring Sands
1 Staff of Nin
3 Theater of Horrors