Perfect Order Build & Battle Box

Prerelease Tournaments for the third Mega Evolution Series expansion ran on the weekends of March 14-15 and 21-22, 2026, and every paying entrant was given one of these boxes to use; shops could sell more on site.

• 4 Perfect Order booster packs
• 1 ready-to-play 40-card deck built around one of four MEP Black Star Promos: Serperior, Barbaracle, Tyrantrum or Doublade
• 1 deck-building tip sheet and 1 Pokémon TCG Live code card