Rules glossary
↑ Section 103. Starting the Game
103.3 After the starting player has been determined and any additional steps performed, each player shuffles their deck so that the cards are in a random order. Each player may then shuffle or cut their opponents’ decks. The players’ decks become their libraries.
- 103.3a In a game using one or more supplementary decks of nontraditional cards (see rule 100.2d), each supplementary deck’s owner shuffles it so the cards are in a random order. Each player may then shuffle or cut their opponents’ supplementary decks. (refs: 100.2d)