Gum Gum Twin Jet Pistol OP16-039 (The Time of Battle)

[Main] Up to 1 of your [Monkey.D.Luffy] cards gains [Double Attack] during this turn. Then, if your Leader has the {Impel Down} type, rest up to 2 of your opponent's Characters with a cost or 3 or less. [Trigger] Rest your opponent's Leader.