King Twilight Sparkle and her knights are nearing the end of their quest for the Elements of Harmony. Unfortunately, an old foe has beaten them to the castle.

Vector:
http://triox404.deviantart.com/art/Hayseed-with-Rake-244491541

*edit* Oh whoops, I forgot to credit the other vector: http://rayodragon.deviantart.com/art/The-Great-and-Powerful-Heart-260637426