Each Set Booster contains 12 Magic cards, 1 Art Card, and 1 token ad card, Helper card, or card from “The List” (a special card from Magic s history—found in 25% of packs), with a combination of 1–4 card(s) of rarity Rare or higher and 3–7 Uncommon, 3–7 Common, and 1 Land cards. 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.