Tezzeret Armor

The zombies, of course, closed in upon me. I activated the outermost layer of my armor’s defensive screens, which I had devised with Baltrice’s help, as I find her solution to our zombie problem to be both elegant and efficient. Any zombies bold enough to actually attempt to touch me instantly burst into flame hot enough to set not only their whole bodies ablaze, but to spread to the others pressing in behind them.

Test of Metal: A Planeswalker Novel (Magic The Gathering: Planeswalker Book 3), Chapter 15