Dr. Strange has been battling an evil relic from the Dark Dimension. When it devours him it magically transports him to Equestria in the middle of Fluttershy's birthday party!

But the Dark Relic - known only as the anus cushion - wants to destroy all the goodness in the world. Can Dr. Strange team up with Rarity, Fluttershy and Applejack to save the day?