72 booster packs of Reiya Cluster Advent of the Demon King, 12 promotional cards and 2 playmats. Kit is for 8 to 12 players. This cluster features design elements that ensure easy and accessible draft play. The total number of cards in Advent of the Demon King has increased since previous booster sets. Additionally, each box now comes with five Basic J ruler cards (one for each attribute) with simple abilites that are perfect for draft and limite play events! New players can easily join veterans and compete right away with this new format support.