Promo Packs function just like promo cards, but with four cards in each pack. These packs are the prizes for any and all play (program-related or other) during a season. Stores are empowered to reward players whenever and however best builds their community of play.
At the beginning of each season, stores will be given a number of packs based on their community size.
One out of every four promo packs you receive will include all foil contents. (You'll know the all-foil packs by their packaging.)