Reserves: Choose one of your opponent's units with 3 or more remaining health. That unit gets -2 health until end of turn. You may draw a card.
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.)