Four planeswalkers (Gideon Jura, Jace Beleren, Chandra Nalaar and Nissa Revane) join forces in their battle against the Eldrazi titans Ulamog and Kozilek and the demonic planeswalker Ob Nixilis. They become the Gatewatch, a team with a lasting commitment to protect the people of the Multiverse from threats that no one else can handle. The six cards that represent the pivotal moments in the storyline are: Kozilek's Return, Remorseless Punishment, Call the Gatewatch, Bonds of Mortality, Fall of the Titans and Zendikar Resurgent