2 Acidic Slime
1 Avenger of Zendikar
4 Overgrown Battlement
4 Primeval Titan
4 Solemn Simulacrum
3 Burst Lightning
1 Harrow
4 Explore
3 Green Sun's Zenith
4 Rampant Growth
2 Slagstorm
2 Evolving Wilds
6 Forest
12 Mountain
4 Terramorphic Expanse
4 Valakut, the Molten Pinnacle
Sideboard
3 Obstinate Baloth
1 Thrun, the Last Troll
2 Act of Aggression
2 Combust
4 Nature's Claim
1 Creeping Corrosion
2 Pyroclasm