From Publisher: Four different 75-card decks—each featuring a different strategy—are ready to play out of the box. Each Challenger Deck comes with a complete 60-card main deck and a 15-card sideboard, perfect for the next event at your local game store.

These decks are intended to be playable and competitive at a local level, ready to challenge friends and foes alike. All cards have been previously printed in Pioneer-legal sets and are legal in the Pioneer format.