Quote Originally Posted by RdMarquis View Post
Perhaps she's just not willing to believe in an effect neither she, nor any unicorn she has never met has produced? The only pony to use magic for an explicitly evil purpose is Nightmare Moon, after all.

Speaking of evil, here are evil versions of the Mane Six, featuring Angel with a goatee of villainy (I guess he would be called Devil in this case?).

http://ponibooru.413chan.net/post/view/42475
Why... why is Rarity dressed in Trixie's cloak and hat? And Twilight in her gala dress?

That kinda makes a disturbing amount of sense actually.