Combine 21 cards x the number of drafters from both the Core Module and the Un Module, and deal out 14 of these cards per pack to go with the Contraptions.
There should be on average 7 cards from the Un Module, 7 cards from the Core Module and 2 Contraptions per pack.
Pod Size Card Distribution Numbers
6 drafters: 36 Contraptions, 126 cards from the Core Module, 126 cards from the Un Module.
8 drafters: 42 Contraptions, 168 cards from the Core Module, 168 cards from the Un Module.
10 drafters: 48 Contraptions, 210 cards from the Core Module, 210 cards from the Un Module.