EachMarch of the MachineSet 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).
Every pack includes a combination of 1–5 card(s) of rarity Rare or higher, and 3–8 Uncommon, 2–7 Common, and 1 Land cards. 1 non–Art Card and non–Land card of any rarity is foil. Traditional Foil Borderless Mythic Planeswalker in <1% of boosters. Foil-Stamped Signature Art Card replaces Art Card in 10% of boosters.
12 Magic: The Gathering cards per booster
Best MTG booster to open just for fun
1–5 cards of rarity Rare or higher in every pack
Foil card and Art Card in every pack
Battle the Machine Legion as Phyrexians invade planes across the Multiverse