21 Mountain
1 Valakut, the Molten Pinnacle
2 Ancient Hellkite
3 Covetous Dragon
4 Dragonlord's Servant
3 Fire Diamond
2 Flameblast Dragon
2 Hellkite Charger
2 Hellkite Igniter
1 Hoard-Smelter Dragon
1 Kilnmouth Dragon
1 Lathliss, Dragon Queen
2 Mind Stone
2 Mordant Dragon
2 Ryusei, the Falling Star
2 Steel Hellkite
2 Sylvok Lifestaff
3 Thran Dynamo
4 Urza's Incubator
Sideboard:
2 Wildfire