While our heroes have many dangers to face throughout the multiverse, the powerful Necromancer Liliana Vess returns to her new home as a professor at the greatest college of magic in the Multiverse. But she doesn't return alone. Sensing the presence of a distant planeswalker calling for help... one with the power to save, or destroy, entire planes, puts her on a collision course with the diabolical machinations of the Tezzeret, the Master of Metal...