Probably as The Apex Druid, a build I've been cooking up.
with the Avatar template
Unsure, maybe some ToB for manouevers.
I'll need to fill in past 20 with some dips (maybe that Demigod base class I have lying around) and add in the Tri but otherwise pretty good.
If not then I have a Graft-build, though it requires a 3rd party book.
It also counts as a minionmancer build too.