Historical Rules · 1 May 2012
Rule 400.10a
Official source text from the 1 May 2012 Rules release
Cards in a player's sideboard are outside the game. See rule 100.4.
Historical Rules · 1 May 2012
Official source text from the 1 May 2012 Rules release
Cards in a player's sideboard are outside the game. See rule 100.4.