A My Little Pony: Friendship is Magic x Yu-Gi-Oh! 5D's Crossover.

Twilight finds herself in another world after a direct conflict with some strange individuals, who are after the Elements of Harmony. In this other world, she meets up with a particularly special person and his friends, known as the Signers.

Given the circumstances, an alliance must be made to protect both worlds from the impending threat.

Note: Tags may be edited accordingly as the story progresses. Also, credit to Sapphire Jewel and a couple other friends (don't even know if they have accounts on this site) for aiding in some parts of the story.

Comments and critique are encouraged. Gore tag is due to some violence and blood present in some chapters.