Historical Rules · 8 July 2022
Rule 903.13f
Official source text from the 8 July 2022 Rules release
Commander Draft deck construction follows the same rules as Commander deck construction (see rule 903.5) with two exceptions: (1) A player’s deck must contain at least 60 cards. There is no maximum deck size. (2) A player’s deck may include any number of cards from that player’s card pool with the same name.