Board Thread:Spoilers!/@comment-25926288-20160915032911/@comment-1916997-20160915131456

The only two things that fit with a mirror (that I can think of) is the Snow White story and Through The Looking Glass (Alice and Wonderland's sequel). Considering that the magic mirror in Snow White is a Genie from Agrabah, and Aladdin is being covered this season, that seems the safer guess.