20 Mountain
1 Arc Runner
2 Boiling Earth
3 Catalyst Elemental
4 Demolish
1 Earth Elemental
1 Fiery Intervention
2 Fire Shrine Keeper
4 Generator Servant
4 Granitic Titan
1 Miner's Bane
4 Pinnacle of Rage
1 Roast
3 Seismic Elemental
1 Smash to Smithereens
4 Starfall
4 Valakut Predator
Sideboard: