BUDOKAN, HERE WE COME! Rupa (GCR/SE48-E39 N) [Girls Band Cry Premium Booster]

[AUTO] When your other "Music" character attacks, this card gets +X power until end of turn. X is equal to the number of other "Music" characters you have ×500. [AUTO] [(1)] During your turn, when this card's battle opponent becomes [REVERSE], you may pay the cost. If you do, choose 1 of your opponent's level 3 or lower characters. That character cannot [STAND] during your opponent's next stand phase.