20 Mountain
4 Nykthos, Shrine to Nyx
2 Abbot of Keral Keep
2 Chandra, Fire of Kaladesh // Chandra, Roaring Flame
2 Crater's Claws
4 Dragon Whisperer
2 Embermaw Hellion
2 Fiery Impulse
4 Mardu Scout
1 Molten Vortex
2 Purphoros, God of the Forge
4 Ravaging Blaze
2 Sarkhan, the Dragonspeaker
1 Soul of Shandalar
4 Thunderbreak Regent
4 Wild Slash
Sideboard:
3 Arc Lightning
3 Exquisite Firecraft
3 Harness by Force
3 Scouring Sands
2 Searing Blood
1 Soul of Shandalar