"So, I may of messed up big time, but it was all in good fun... for me at least. Though apparently, Fluttershy's friends didn't like the idea of having to find the pieces of her and putting her back together. At least she's still alive. Heheheh. Aw well, fun is fun while it last, but I was to be banished; instead of being turned to stone, I found myself in quiet a twisted universe. I had no idea that this place even existed, and to be honest, I don't think Celestia, Luna, and Twilight had planned to send me here. The look on Twilight's face before I ended up here kind of confirmed that.
So here I am, in quite a strange world. With the little time I've been here, I've noticed that greed, destruction, and deceit grows strong. I should be loving it here, yet I feel odd. There's just something more to this all than what I'm seeing. I can't quiet put my finger on it, but it's like there's more than just this world too. I've also come to find out that I've changed in my looks; not too drastically, but I look more... feral. Where to begin, who do I talk to... and those bipedal creatures look really weird. No fur or hair except for on top of their heads; and they look ready for war. Perhaps I'll start there..."
Discord has found himself in the multiverse with little to no knowledge of what's going on. He still has all his powers at his claw tips. Will he use his powers to help or hurt this dimension; or will the lands of magic change him forever into the worst.
Meanwhile, Twilight and her friends as well as Luna and Celestia will do all they can to get Discord back. Despite what has happened, they can not leave him in such an unknown place. His presence is at least needed on Equestira. However, there will be major debates wither this is a good idea or not as hurt feelings will be in the air; even from Fluttershy.
Slight knowledge of the card game: Magic the Gathering