Reserves: Draw a card, Discard a card from your hand unless you have an Aquatic unit in any arena. Play only during your build step.
Reserves: Each of your Aquatic units gets +1 health
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.)