Son Goku, Strength of Legends

[Permanent] Only 1 copy of this card can be played in your Battle Area, and this card can't [Evolve] into other cards. [Activate:Main] If you have at least 1 mono-red, mono-blue, mono-green, and mono-yellow card in your Drop Area and have 4 or more energy : Play this card from your hand. [Activate:Main] [Once per turn] RBGY : Switch this card to Active Mode and it gains [Critical], [Double Strike] and [Dual Attack] for the turn.