Rarity, totally normal humanoid robot girl, best fiend of Rainbow Dash, secret super fighting robot... wait what?

Scootaloo got an interesting package in the mail. Now what.

The zombies are coming... to Equestria

After finding a rainbow colored warp pipe out in the middle of the woods Mario and Luigi decide to go through it only to find themselves in Equestria and little do they know that someone or something has followed them.