Self-Proclaimed Idol, Ruby (SR)

[AUTO] When this card is placed on the stage from your hand, choose 1 of your "Show Business" characters, and that character gets +1500 power until end of turn.
[ACT] [(1) Put this [STAND] card into your memory] Choose 1 "Deciding Each Member's Color, Ruby" or "Underground Idol Debut? Ruby" in your waiting room, and return it to your hand.