Board Thread:Spoilers!/@comment-25926288-20160723224038/@comment-24674051-20160902161726

Wicked Wizard of the West wrote: Hey, what if Dorothy is also a Savior? The savior of Oz Not a bad thought. and it would at least provide an excuse for Dorothy to find SB, since she may be wanting to deal with Zelena.

Of course, they could also parallel the Emma/Regina relationship with Dorothy/Zelena (and do it quite effectively, assuming that Zelena is now on the same path towards redemption.).