Historical Rules · 24 January 2020
Rule 100.4b
Official source text from the 24 January 2020 Rules release
In limited play involving individual players, all cards in a player’s card pool not included in their deck are in that player’s sideboard.
Historical Rules · 24 January 2020
Official source text from the 24 January 2020 Rules release
In limited play involving individual players, all cards in a player’s card pool not included in their deck are in that player’s sideboard.