30 March of the Machine Set Boosters—the best MTG boosters to open just for fun
12 Magic: The Gathering cards per booster
1–5 cards of rarity Rare or higher in every pack
Traditional Foil card and Art Card in every pack
Battle the Machine Legion as Phyrexians invade planes across the Multiverse
 
The March of the Machine Set Booster Box contains 30 March of the Machine Set Boosters. 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).
 
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.