Reserves: Each of your unit's activated abilities costs 1 less Force to play until end of turn. Abilities that cost 1 or more Force can't cost less than 1 Force.
Keywords
Reserves
Reserves: [Ability]: A layered, static ability that means, "The following ability works while, and only while, it's in the build zone." The granted ability remains to be the ability of its type. (For example, activated abilities granted by Reserves may be disrupted.)