Overview
- A new Horde keyword grows a single Zombie Horde as undead cards are played, spawning a Horde at another location if none is on the board.
- Zombie Scarlet Witch headlines the season pass, while Headpool is limited to the Super Premium pass or Seasonal Series 5 packs.
- Two locations join the rotation: The Deadlands boosts extra Horde activations and Survivors' Camp grants additional card draws.
- Limited-time modes return on set dates: Sanctum Showdown runs October 15–22 and Grand Arena runs October 27–November 3.
- The Halloween update adds undead-themed variants and shop features alongside the new gameplay mechanic.