Three guys dressed as villains get sent to Equestria before the first Hearth's Warming. History has never been more different.

Three friends are sent to Equestria as Commanders from Supreme Commander, their bonds tested. Will they remain allies, or become enemies

Guy is sent to Equestria in a huge ass mech. The usual shit, plus some extraterrestrial intrigue

When a new threat to Equestria emerges, a secret guard will reveal itself

Sometimes, life just happens. Other times, like for me, it ends. I thought nothing was going to happen. Now, I'm in Equestria, seen as a monster by all but a few. But it doesn't matter. I'm a Tenno now. I fight. It's all I know.

Rarity is sent to a UNSC colony world. What new friends will she make, and can she return home?

Woman is sent to Equestria with the powers of a post RWBY Volume 3 Cinder. But things aren't what you'd expect there.

Guy gets sent to Equestria as a Cabal while Equestria is under Caribou control. Time to fuck shit up.

Guys and his sisters are sent to an Equestria ruled by Sombra. Just what is in store for them. And why does one find all this familiar.

Guy gets sent to Equestria as a Spartan from Halo 4. Let the shitstorm commence.

You know the drill: guy goes to convention dressed up, buys something, and is sent to Equestria. The difference: I became three different people

I was once a normal human. Dishonorable, unclean. I went to a gathering of my former fellows, purchased something, and now, I am a Sangheili, defender of the Great Journey, in a world of human like creatures. Join me as I bring them honor.

So I was at a Yugioh tournament in my hotel room, when the back of one of them began to swirl. Now, I'm in Equestria, trying to save the ponies form an old threat.

Twilight is banished for protecting a changeling from a pony. She leaves Equestria under threat of death. Can she survive, and make new friends?

During the wedding of Cadence and Shining Armor, we all know what happened. This is if one tiny thing had been different. That thing? Twilight being a changeling agent