Final Fantasy TCG: Opus 8 Booster Box - Rules of Play says:
From the multi-million-selling Final Fantasy franchise comes a brand new trading-card experience! This two-player game has even more cards for you to collect in the Opus VIII collection, the latest set of Final Fantasy trading cards to be released to the Western market. Each booster pack contains 12 cards total, including 1 premium foiled card. Each booster pack brings you closer to completing your Final Fantasy Trading Card Game collection and powering up your deck!