Nergui, Root of Burgeonhorde

This land may be your commander, and can be
cast from your command zone.
{g}:Ferocious -This land becomes a Forest in
addition to its other types.
{u}:Formidable- This land becomes a Island in addition to its other types.
{r}:Monstrosity, You may only activate this ability
if this land is both a forest and an island.
When this Land becomes monstrous transform it.