Historical Rules · 26 September 2015
Rule 400.10a
Official source text from the 26 September 2015 Rules release
Cards in a player’s sideboard are outside the game. See rule 100.4.
Historical Rules · 26 September 2015
Official source text from the 26 September 2015 Rules release
Cards in a player’s sideboard are outside the game. See rule 100.4.