21 Forest
1 Become Immense
4 Blight Mamba
4 Giant Growth
4 Glistener Elf
4 Groundswell
4 Mutagenic Growth
2 Necropede
4 Plague Myr
4 Rancor
4 Vines of Vastwood
4 Viridian Corrupter
Sideboard:
3 Back to Nature
3 Beast Within
3 Creeping Corrosion
3 Lignify
3 Relic of Progenitus