The Kickstarter Limited Exclusive Mini-Expansion is contained in the box of the Deluxe edition for Kickstarter backers, but may also be available separately in the future. From the Kickstarter page, Kickstarter Limited Exclusive - VERY limited quantity printed. Will never enter regular distribution channels but may become available via contests, conventions, and/or the BGG store. It introduces 11 cards not found in the Base edition: Giant Snake (Dire Enemy) Basilisk (Dire Enemy) Fire Elemental (Epic Foe) Overlord (Epic Foe) Baal's Bait (Artifact) Gavel of Gamelyn (Artifact) Necromancer (Hero) Assassin (Hero) Avenger (Legendary Hero #1) Revenant (Legendary Hero #2) Guardian (Legendary Hero #3)