STAND WITH YOUR GUILD. Ravnica is one of Magic’s most beloved settings, where guilds jockey for power and control and multicolored cards show up in force.BUILD DECKS. A booster box contains 36 booster packs of Ravnica Allegiance, the follow-up to the hit expansions Guilds of Ravnica and Core Set 2019. Each booster pack contains 15 Magic cards (540 cards total). Pick your favorites, put them in your deck, and battle!PLAY AT HOME. Your Ravnica Allegiance booster box holds enough packs to host your own booster draft with as many as twelve friends. (Note: a booster draft requires more basic land cards than a booster box includes.)