Twilight's Fall – a separate game. Twilight Imperium's expansions, mods and rules topics are not part of it.

Combat Transport II

You may reroll 1 of your unit's combat dice during each round of ground combat on a planet in this system that contains 2 or fewer of your infantry.
Ghemina RaidersTechnology – Unit Upgrade – Ship – Carrier

Unit Upgrade

You may reroll 1 of your unit's combat dice during each round of ground combat on a planet in this system that contains 2 or fewer of your infantry.

3cost
9combat
2move
6capacity

Prerequisites: PropulsionPropulsion

Source: Discordant Stars