Prepare for a brand-new season full of tense and exciting games of Warhammer 40,000 with the Chapter Approved 2025-26: Mission Deck, which comprises the core mission pack for Matched Play in the year ahead. New to this season are Challenger Cards which offer powerful new Stratagems and missions for players to even the odds. They work alongside the standard deployment maps, primary and secondary missions, and twist cards you’re used to.