This mini-expansion features the following items:
Galactic Trade Station and Galactic Citadel Council cards
These will be used to trade minerals for power and vice versa! They will can be pretty handy for the next stuff that will come in the mini-expansion and that is:
Superweapons and Galactic Wonders
Each of the two expansions will contain 6x Superweapons/Wonders cards, so let's take a look!
The galaxy is now even more dangerous place, thanks to the technological advancements made in the era of Discoveries. Will the civilizations now choose the path of destruction or the path of technological and cultural enlightenment? It’s up to you to choose if your civilization will focus on building a weapon of mass destruction or a galactic wonder of peace!
In order to build a Superweapon or a Wonder you would need to first complete all of the upgrades on your Battle/Research station cards and acquire some types of Technologies as indicated in the right corner of the card. After you complete it, you gain its effect immediately! Pretty powerful stuff!
—description from the publisher