表現力レッスン is a Weiß Schwarz card from THE IDOLM@STER IM/S07-045. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
If you have cards in your Hand, randomly reveal 1 card from your Hand, all your Characters, gets +X Power. X is equals to the revealed card's Level x1500. （Climax is treated as Level 0）
This card was printed in Japanese only; the English text above is an unofficial community translation.