"Hey, uh, Rick, what did you want me to, uh, write down here again?"

"Look, Morty, it's not that urp complicated, just, just write down a generic description of what we did."

"But Rick, we did a lot of things!"

"Then figurp it out, Morty. Christ, and here I thought you were getting at least a bit smarter. Just, write down something about, uh, 'Rick and Morty Get Stuff From Horse Land'. 'Morty and Rick and something something horse pun'. I dunno, something."

"I want to go back to the ponies..."

"Oh, I bet you would like that, huh, MMMorty? Go back to the girly dimension full of urp friendship and magic and all that. Look, just give it here, I'll, uh, just put it up as it is."

Now with coverart by some guy named Shadow Bolt

After being driven out of Ponyville following the incident with the Ursa, The Great and Powerful Trixie flees into the Everfree forest, where she meets a mysterious masked stallion named Herald. Herald offers Trixie a chance to learn ancient magic that will truly make her the most powerful unicorn in Equestria, by offering her a book that not even Twilight Sparkle has ever read. But there is a reason Twilight's never read this book, and there is more to Herald than there appears...

(A Cthulhu Mythos crossover. Cover art by kirokokori. TVTropes page here, although I've no idea who started it, and was gobsmacked when somebody else told me http://tvtropes.org/pmwiki/pmwiki.php/FanFic/TheStarsWillAidTheirEscape )