Each pack's warlord†will take up 9 of the 60 cards in each pack: the warlord and the 8 cards of their signature squad. So you'll have 17 additional cards in the pack, all of them in triplicate.
†Assuming each pack has a warlord, which we don't know yet if that will be a case. It seems at least that all the packs in the first cycle will.