Tournament rule 602.4.b.8
A draft deck’s sideboard is every card drafted by the player as part of the competition that isn’t used in their starting deck configuration, unless otherwise specified. See 403 for more information on sideboards.
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A draft deck’s sideboard is every card drafted by the player as part of the competition that isn’t used in their starting deck configuration, unless otherwise specified. See 403 for more information on sideboards.