Each booster box contains 36 Booster packs. This is what you can expect in a booster pack: 1 Hero card 8 Common cards 3 Rare cards In 1 out of every 8 packs, a Unique card will replace a Rare card. 1 Token card In 1 out of every 4 packs, a Foiler of a random rarity will replace a Token card.