What is Pioneer?

Pioneer—a new nonrotating format featuring cards from Return to Ravnica and forward 

Pioneer is a constructed format and therefore adheres to the following constructed rules:

• Minimum of sixty cards
• No maximum deck size, as long as you can shuffle your deck unassisted
• Up to fifteen cards in your sideboard, if used

With the exception of basic lands (Plains, Island, Swamp, Mountain, Forest, and Wastes), your combined deck and sideboard may not contain more than four of any individual card, counted by its English card title equivalent.

All Standard releases from Return to Ravnica forward are legal

The following card sets are permitted in Pioneer

• Throne of Eldraine
• Core Set 2020
• War of the Spark
• Ravnica Allegiance
• Guilds of Ravnica
• Core Set 2019
• Dominaria
• Rivals of Ixalan
• Ixalan
• Hour of Devastation
• Amonkhet
• Aether Revolt
• Kaladesh
• Eldritch Moon
• Shadows over Innistrad
• Oath of the Gatewatch
• Battle for Zendikar
• Magic Origins
• Dragons of Tarkir
• Fate Reforged
• Khans of Tarkir
• Magic 2015
• Journey into Nyx
• Born of the Gods
• Theros
• Magic 2014
• Dragon's Maze
• Gatecrash
• Return to Ravnica

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