If you ever thought it would be cooler to see as a My Little Pony version of Gandalf, then A) you have a highly weird, active imagination and B) you're in luck. Someone decided to go ahead and mash up the new teaser trailer for The Hobbit: The Desolation of Smaug with My Little Pony: Friendship Is Magic. You know Fluttershy wants to save Middle Earth and crystal ponies with their memories (reference!).
Watch The Pony: The Desolation of Smaug now:
You may also recall that their was an entire LotR pony reenactment that came out last November as well: