Majin Buu, Birth of Pure Evil

[Permanent] If your Leader is a Z-Leader, this card gains [Double Strike]. [Auto] When this card attacks, choose up to 1 Battle Card with an energy cost of 7 or less in your opponent's Battle Area or Drop and use it in a combo in your Combo Area with its skills negated for the turn. [Activate: Main] [Limit 1] 1, if your Leader is a "Majin" card and you have 3 or more energy: Play this card from your hand.