Category Events - United States, Longmont (CO) Entry Fee: Purchase (3) boosters of Ixalan or Rivals of Ixalan Players start with three boosters and may purchase another each week, plus another after any set of three losses. Prize support includes the exclusive Evolving Wilds promo card after 10 matches. Each participant will receive a League box while supplies last. Additional promo cards also! League runs until 3/24/2017. You may play anyone at anytime during the course of the league. No limit on total games.