Unearthed Arcana - Unearthed Arcana: Druid Circles And Wild Shape

Dreams is one I feel is the best out of those 3.

Sheppard I don't like the name used, but at least it's spirit aura ability allows for some interesting tactical choices.

Twilight could be an interesting idea, but I don't they really add much in terms of fighting the undead, beyond the resistance to necrotic damage.

The optional wildshape rules I'm fine with, but there's more to regions than just Temperate and Tropical, what happened to Arctic and Arid?

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