MTG Pioneer Challenger Decks 2021 is a set of four individual preconstructed 75-card challenger decks that was released on October 15, 2021. It is the first official product geared towards the Pioneer format.
Each package contains:
- a 60-card main deck
- a 15-card sideboard
- Up to 5 double-sided tokens (varies per deck)
- a quick reference guide
- a box capable of holding 75 sleeved cards