Historical Rules · 17 June 2011
Rule 400.10a
Official source text from the 17 June 2011 Rules release
Cards in a player's sideboard are outside the game. See rule 100.4.
Historical Rules · 17 June 2011
Official source text from the 17 June 2011 Rules release
Cards in a player's sideboard are outside the game. See rule 100.4.