Shame. I was thinking about getting this game too. :/
I feel your pain! I backed the second kickstarter and didn't care at first about the exclusive missions because I didn't know what they were and other players kept saying we didn't need them. Then I played a 1st kickstarter copy at a local venue. After the game we all talked about the variety of mission styles and how we loved the addition of "peace" missions and how they helped balance out the play styles and brought more theme and story to the game. That's when the owner of the copy said, "yeah unfortunately those were the Envoy missions only available with the 1st kickstarter"...