*Not necessarily in order, change the deck around to suit your preference.
You can mix in medical cards if you want to play both scavenger support and healer support.
Best to pick characters that have +1 inventory.
Your job is to basically use your unlimited secondary gun to support the team, while gaining a shit ton of copper and finding items for your team. The goal is to buy BOTH team upgrades every single safehouse for +5 item slots on everything and EPIC quality items on grenades and healing.
With a good secondary, you will be able to do a lot of work while still contributing passively.