Each Commander Masters Set Booster contains 15 Magic cards, 1 Art Card, and 1 token/ad card or card from “The List” (a special card from Magic's history—found in 25% of packs), including 2–6 cards of rarity Rare or higher (2: 34%; 3: 48%; 4: 15%; 5: 2%; 6: <1%) and 3–8 Uncommon, 4–8 Common, and 1 Land cards.

Every pack contains at least 1 Traditional Foil card of any rarity. A Traditional Foil Land replaces the basic land in 20% of Set Boosters and a Foil-Stamped Signature Art Card replaces the Art Card in 10% of Set Boosters. A Traditional Foil Borderless Mythic Rare card can be found in 1% of boosters.