: Focused on foil alternate-art versions of cards already in the set.
The refers to a specific promotional pack historically used to incentivize players to purchase full booster boxes from brick-and-mortar retailers rather than online vendors. Overview of the Buy-a-Box Booster mtg buy a box booster
: Unlike standard Play Boosters or Collector Boosters, the Buy-a-Box "booster pack" (most notably seen during the Ixalan block) contained a pre-selected Buy-a-Box promo card plus additional "Standard Showdown" equivalent content. : Focused on foil alternate-art versions of cards
: These packs often contained multiple rares, mythics, and premium foil lands, making them roughly equivalent in value to 4–6 standard booster packs. Evolution of the Program and premium foil lands