Secret Revealed, Grease (EIS/SX07-004) [The Eminence in Shadow]

[AUTO] [1/TURN] When you use an [ACT], this card gets +X power until end of turn. X is equal to the number of "Eminence in Shadow" characters you have x500. [AUTO] [(1)] During your opponent's turn, when this card becomes [REVERSE], if you have another "Eminence in Shadow" character, you may pay the cost. If you do, [REST] this card, and at the beginning of your next encore step, put this card into your waiting room.