Mr. Magniloquent
Arcane
How is Blight the strongest?
Miasma (Ex)
Starting at 5th level, if a blight druid is adjacent to a creature at the beginning of its turn, the creature must succeed at a Fortitude save with a DC of 10 + 1/2 the druid's level + the druid's Wisdom modifier or become sickened for 1 round. A creature of the animal, fey, or plant type that fails its save is nauseated for 1 round and sickened for 1 minute thereafter. If the creature makes its save, it is immune to this effect for 24 hours, as are creatures immune to disease.
This ability replaces trackless step and resist nature's lure.
That's my guess. I like Feyspeaker, but considering the amount of animals and fey in particular, this is a really good ability for a shifted/melee druid.