Reserves: Draw 2 cards, then shuffle one of those cards into your deck. Play only during your build step.
Reserves: Your opponent draws 2 cards and then discards 2 cards at random from his or her hand. Play 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.)