In this section

Historical Rules · 29 September 2017

Rule 313.2

Official source text from the 29 September 2017 Rules release

Permalink

At the start of a game, before decks are shuffled, each player may put any number of conspiracy cards from his or her sideboard into the command zone. Conspiracy cards with hidden agenda are put into the command zone face down. (See rule 702.105, “Hidden Agenda.”)

Find this number in the current Rules