20 Mountain
3 Ball Lightning
3 Chandra, Fire of Kaladesh // Chandra, Roaring Flame
2 Chandra, Pyromaster
2 Chandra, the Firebrand
2 Chandra, Torch of Defiance
4 Chandra's Phoenix
2 Koth of the Hammer
4 Lightning Bolt
3 Pyroclasm
2 Pyromancer's Gauntlet
2 Red Sun's Zenith
4 Rift Bolt
3 Searing Blaze
4 Seething Song
Sideboard:
1 Fireball
1 Tibalt, the Fiend-Blooded