Magic: The Gathering® | Avatar: The Last Airbender™ Box League
Offered during the Prerelease period, Commander Box League is a Sealed event in which players open a Play Booster box, build a 60-card Commander deck, and play in Commander Box League matches throughout the Prerelease period! Players purchase a Play Booster box as part of entry. After players open their Play Booster box, they construct a 60-card Commander deck from the contents. Decks may include multiple copies of cards opened from the Play Booster box. Any legal commander opened is allowed. Color identity rules in deck building are ignored; players may build decks with any colors they want, regardless of their commander’s color identity.
Participation is limited to 32 players. No entry fee needed, however purchase of a Play Booster Box is required.