When Rainbow Dash decides to just head home and sulk instead of confronting Mare Do Well, she is confronted by an ancient being in her dreams with the promise of making her the most powerful hero in all of Equestria, with its guidance of course.
What if Trixie had decided to get a more subtle revenge on Twilight Sparkle, by using words to make her friends question themselves? Takes place during 'It's About Time' in Season 2.
(Based on the Mysterious Maredowell episode) Rainbow's jealousy goes too far when she takes her anger out on who she thought was Maredowell was. The truth is: it was her best friend.
What if Discord didn’t corrupt Rainbow Dash by forcing her to choose between Cloudsdale or all of Equestria, what if he showed her a certain… later episode?