With the Eldrazi Titan Ulamog and his endless swarms of monstrous broods decimating the plane of Zendikar, all seems lost. But now, Gideon Jura takes the lead of a group of planeswalkers in facing the Eldrazi alongside the residents of Zendikar. Meanwhile, the trapped planeswalker-turned-demon Ob Nixilis is desperate for a way off of the plane.