Fire Snake

In the hall beyond, on a meshwork floor that bent and warped beneath their weight, a great serpent of living flame struggled to crush the life from a black-winged angel, curling over and around its foe, searing where it touched. Though unable to fly, the angel battled furiously, sinking the prongs of a jagged trident again and again into the serpent's hide. Each wound was a burst of fire that burned her further still. At the base of the writhing tail, a trio of specters darted about, trying to drive their deadly hands through the flame that singed even their dead and blackened souls with its touch.

Agents of Artifice (Magic The Gathering: Planeswalker Book 1), Chapter 31