Nebula, Hugo, Locus, and Alex Award-winning novelist Seanan McGuire (Ghost-Spider) returns to the world of Magic: The Gathering along with Kath Lobo to bring Nahiri the Lithomancer to comics! Nahiri-also known as The Harbinger-has protected her home plane of Zendikar for centuries, her ruthlessness and terrible deeds kept in check by a strong sense of justice. But her fate is far from decided, and a new challenge awaits that may change the way the entire Multiverse perceives her...