Reserves: Search your deck for a Galactic Alliance or Imperial Remnant unit card, show it to your opponent, and put it into your hand. Shuffle your deck. Play only during your build step.
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.)