Double Masters is a booster-based compilation set that was released on August 7, 2020 in paper, and released on August 6 for Magic Online. It is designed to be drafted.
Double Masters contains 332 cards (91 commons, 80 uncommons, 121 rares, 40 mythic rares) and includes randomly inserted premium versions of all cards. Box toppers are numbered #333-372, VIP Edition full-art basic lands are #373-382, and the prerelease promos Wrath of God and Chord of Calling are #383 and #384. Every booster box of Double Masters contains 24 booster packs, each with fifteen randomly inserted game cards. The set is unusual in the fact that it features two Rare or Mythic cards in each pack. It also features two premium foil cards in each pack in place of one.