these exist show you that you need more free summons to "maintain" (is it the right word?) the update cause 4 a day isnt enough and to improve their odds on the other packs in regards to higher rarities.
also are their plans to add more comittees for the other councilers and plans to add more cause a collection festure indicates this (either 4 or 14 more councillers for 20 or a tleast 30 total).