The first-ever multiplayer-focused booster set has new Magic cards with new mechanics that enhance multiplayer play. Returning favorites from throughout Magic's history round out the set and cultivate an environment of deception and treachery. The Magic: The Gathering–Conspiracyset is designed to be drafted with six to eight players who then split into groups of three or four players for free-for-all multiplayer games.

Each booster box contains 36 packs. Each pack contains 15 cards: 1 rare/mythic rare, 3 Uncommons, 9 Commons, 1 Land, and 1 Token/Tip card.