Historical Rules · 19 September 2025
Rule 400.11a
Official source text from the 19 September 2025 Rules release
Cards in a player’s sideboard are outside the game. See rule 100.4.
Historical Rules · 19 September 2025
Official source text from the 19 September 2025 Rules release
Cards in a player’s sideboard are outside the game. See rule 100.4.