Historical Rules · 25 January 2019
Rule 400.10a
Official source text from the 25 January 2019 Rules release
Cards in a player's sideboard are outside the game. See rule 100.4.
Historical Rules · 25 January 2019
Official source text from the 25 January 2019 Rules release
Cards in a player's sideboard are outside the game. See rule 100.4.