👉🏻What’s in a Booster Box? Each Booster Box comes with 30 card packs and each pack holds 5 cards, that’s 150 cards total. You’ll also find exclusive Promo Cards available only in the Season 1 Booster Boxes 👀 👉🏻When can I open my Booster Box? Booster Boxes will be openable once Season 1 officially begins. The Moki Cards inside represent every Champion Moki, so we need to fill all Champion Slots before opening begins. You’ll get your chance to secure a Champion Slot during the Grand Arena Preseason by placing in the top 100, so make sure your notis are on to not miss any important info.