Great Priest, Declaration of Annihilation

[Permanent] While there are 4 or more colors in your energy, this card is also treated as red, blue, green, and yellow. [Auto] When this card is played, it gains the following skill for the turn. "[Activate:Main] [Limit 1] 1 : Activate the [Activate:Main] skill of up to 1 "Erase a Universe" in your hand." [Activate:Main] [Limit 1] RBGY, if your Leader is a red "Great Priest" card : Play this card from your hand, choose all of your opponent's Battle Cards, and send them to their owners' Warps.