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

Policy - The Economy: Empower +

Once per action, after you exhaust an industrial or legendary planet you control, gain 1 commodity. Exploit −: Place the “2” commodity token on your faction sheet, your commodity value is 2. Once per action, after you exhaust an industrial planet you control, place up to 1 fighter from your reinforcements in a system that contains 1 or more of your ships.
Olradin LeaguePolicy card

Once per action, after you exhaust an industrial or legendary planet you control, gain 1 commodity.

Flipped sideExploit −

Place the “2” commodity token on your faction sheet, your commodity value is 2.

Once per action, after you exhaust an industrial planet you control, place up to 1 fighter from your reinforcements in a system that contains 1 or more of your ships.

Source: Discordant Stars