March of the Machine is the dramatic conclusion to the Phyrexian story arc. The entire Multiverse rallies together in one epic climactic battle.
Draft, Set, Collector, and Jumpstart boosters all return as pack options. As for art treatments, Extended Art and Borderless art treatments also return, while characters in this set get a feature "Showcase" art treatment each from their home plane. Each booster pack also contains at least one "Multiverse Legends" card. Each Multiverse Legend is a reprinted iconic character in their home planes' "Showcase" treatment. Each Commander Deck for this release will include 10 oversized Planechase Planes. More information to come.[source]