This story is a sequel to Who Needs Enemies -- Part I
Thanks to Discord, Twilight has some new friends. Actually, they're her old friends. Now she wants her old friends back... that is, her new friends. It's complicated. But even Discord doesn't realize how far he's gone this time...
For more of this series, see: The Visiting Team -- Part I.
And also check out the entire series, beginning with Not Exactly Friends.