Pioneer
Rules
All releases from Return to Ravnica forward are legal, provided those sets were once legal in Standard. Click here to see all card sets currently legal in Pioneer.
Usage
Pioneer fills the gap between Modern and Standard—it's an approachable way for players to keep using Standard cards after rotation.
Deck Size
Minimum of 60 cards with no maximum, as long as you can shuffle your deck unassisted
Sideboard
Up to 15 cards
4-Card Limit
No more than 4 of any individual card in your combined deck and sideboard (with the exception of basic lands).
Banned List
See this page for a list of banned cards.