Among the sets whose expansion type is Commander, which set has the highest total number of cards including promotional and related supplemental products but excluding Alchemy modifications? Indicate the id of the set.
expansion type refers to type where type = 'commander'; totalSetSize: The total number of cards in the set, including promotional and related supplemental products but excluding Alchemy modifications; highest total number of cards refers to MAX(totalSetSize)
SELECT id FROM sets WHERE type = 'commander' ORDER BY totalSetSize DESC LIMIT 1