The seven-month life of Penumbra Heartbreak, the alicorn daughter of the King Sombra

In a spell gone wrong, Fluttershy, Trixie, and Sweetie Belle are sent to the Wizarding World and into the care of an incompetant wizard.

Twilight and Rainbow Dash accidentally turn Derpy into a lizard.

A red and black batwinged alicorn goes to Ponyville.