Historical Rules · 29 September 2017
Rule 400.10a
Official source text from the 29 September 2017 Rules release
Cards in a player’s sideboard are outside the game. See rule 100.4.
Historical Rules · 29 September 2017
Official source text from the 29 September 2017 Rules release
Cards in a player’s sideboard are outside the game. See rule 100.4.