Mystery Booster Commander Edition Guides
Choose a question below for a focused, sourced answer. Each guide separates confirmed product facts from practical advice and links to the official reference.
Rules changes
Every game change in Mystery Booster Commander: the Comprehensive Rules update, the Rulebreaker mechanic, and what it means for your deck. Updated Oct 23, 2026.
Card list
The Mystery Booster Commander card list: all 59 new cards, stamped reprints and special categories, with color filters and card references. Updated Oct 23, 2026.
Release date
Mystery Booster Commander release dates: October 19, 2026 on-sale; November 13 Commander legality; January 1, 2027 Eternal legality. Full timeline.
Price
The announced Festival in a Box: Atlanta 2026 price is $249.99 USD. See what it includes and why that is not a standalone MBC booster-box price.
Format legality
Check Mystery Booster Commander legality for new cards, existing reprints, playtest cards, and acorn cards, with the confirmed format dates.
Reprints
Understand Mystery Booster Commander reprints, Planeswalker stamps, source printing codes, and the difference between the checklist and image gallery.
Commander Draft
Run a Mystery Booster Commander Draft: three packs, two-card picks, left-right-left passing, 60-card decks, partner exceptions, and a setup checklist.
Edition comparison
Compare Mystery Booster Commander Edition vs original Mystery Booster and MB2, including pack size, draft purpose, playtests, and version differences.
Secret Lair
See how Mystery Booster Commander Edition connects to Secret Lair through Festival in a Box: Atlanta 2026, including bundle contents and buying checks.