21 Mountain
1 Abbot of Keral Keep
2 Act of Treason
4 Collateral Damage
2 Crater's Claws
3 Dragon Fodder
1 Firedrinker Satyr
3 Foundry Street Denizen
3 Goblin Heelcutter
3 Hordeling Outburst
2 Impact Tremors
3 Lightning Berserker
3 Mardu Scout
3 Monastery Swiftspear
2 Searing Blood
1 Stoke the Flames
2 Zurgo Bellstriker
Sideboard:
2 Act of Treason
2 Arc Lightning
1 Crater Elemental
2 Dragon Mantle
2 Flurry of Horns
2 Outpost Siege
4 Portent of Betrayal
1 Purphoros, God of the Forge
2 Scouring Sands