The Thran
Author: J. Robert King
Published: December 1, 1999
Borrow for free from Internet Archive
Before the Brothers’ War.
Before the five colors of magic.Before history itself, the plane of Dominaria was ruled by the Thran. They built machines and artifacts, the likes of which have never since been seen. But amid this civilization, a shadow took root, one that would stretch its arms across space and time.
The hideous evil of Phyrexia was born.