20 Mountain
3 Banefire
4 Burning-Tree Emissary
4 Crash Through
4 Hardened Scales
4 Hazoret's Monument
4 Runaway Steam-Kin
3 Walking Ballista
Sideboard:
4 Abundant Growth
1 Altar of the Brood
1 Bontu's Monument
2 Chandra, Fire of Kaladesh // Chandra, Roaring Flame
1 Chandra, Torch of Defiance
1 Cinder Pyromancer
4 Dragon's Claw
2 Expedite
1 Goblin Bushwhacker
4 Gut Shot
1 Guttersnipe
1 Impact Tremors
1 Insult // Injury
1 Kiln Fiend
1 Kruin Striker
1 Lava Spike
4 Lightning Bolt
4 Monastery Swiftspear
2 Reckless Bushwhacker
1 Rift Bolt
2 Skullcrack
1 Smokebraider
1 Soul-Scar Mage
1 Storm Entity
3 The Flame of Keld
4 Throne of Geth
4 Warlord's Fury
1 Wild Cantor