Each player works by using a Created deck. They don't play towards one another, but alternatively play with each other versus the Circumstance deck. Every player needs two unopened Disney Lorcana booster packs. These is usually with the very same established or a mixture of your favorite sets. Official Sources: https://claytonkgaun.iyublog.com/38404875/what-are-the-rules-for-deck-construction-and-card-play-in-tcgs-for-dummies