Rathi Overlay

The Rathi Overlay was the second stage of the Phyrexian Invasion. It involved the merging of Dominaria with the artificial plane of Rath, transporting all Phyrexian troops on Rath to Dominiara. It was a success, even though it interfered with the Æther, causing many weird mutations among the inhabitants of both planes.

Exmples of creatures mutated by the Overlay are the Volvers, the Gaea’s Skyfolk, the Razorfin Hunters and others.