MEGA Expansion 30th Celebration Booster Box - M6a: MEGA Expansion 30th Celebration (m6a). Each sealed Japanese MEGA Expansion 30th Celebration Booster Box contains 20 booster packs containing 5 random cards each. Release date: This set launched on September 16, 2026, as part of the 30th Anniversary Series and the Mega Evolution Era. Specialized Pikachu checklist: Each booster pack contains a unique Pikachu card drawn from a dedicated 30-card checklist featuring artwork by artists like Ken Sugimori. Pack configuration: The set is designed with high-density card hits and a reduced amount of bulk filler cards.
Pros: Reviewers find the cards visually appealing with attractive and sparkly holo designs.