Each Set Booster contains 12 Magic cards, 1 Art Card, and 1 token/ad card or card from The List (a special card from Magic's historyfound in 25% of packs).
Every pack includes a combination of 15 card(s) of rarity Rare or higher and 37 Uncommon, 36 Common, and 1 Land cards. Traditional Foil Land replaces basic land in 20% of Set Boosters. Foil-Stamped Signature Art Card replaces Art Card in 10% of Set Boosters. Traditional Foil Borderless Mythic Rare Planeswalker in <1% of boosters.