The Envoys expansion is a exclusive gift for all supporter of the crowdfunding campaigns. Cards in this include:
Overlord Pash'tet - Immediately damage 1 module.
Custodian Anika - Immediately take any 1 card from the discard pile into hand.
Representative Ur - Immediately gain 4 crew.
Chief Engineer Batrii - Your repair actions cost 1 MC less.
Colonel T. Jones - You are always immune to money losses caused by other players' cards.
Domina Loeb - Immediately gain 1 MC per each module in a color of your choice on your orbital.
Commandor Daar - Protects against "Covert Ops" and "Sabotage" card effects.
Ancient Ursur - Building science modules cost 1 MC less.
Guildmaster Vorin - You can purchase cards from the market for 1 MC less (minimum 1 MC).
Harmonix Kira - Immediately gain 2 VP.