舞台上の世界 モーティス is a Weiß Schwarz card from PRカード【Wサイド】 BD/W125-P46S. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this card is placed on the stage from your hand, choose up to 2 of your characters, and those characters get the following ability until end of turn. "【AUTO】 When this card attacks, if you have another 《Music》 character, and the character facing this card is level 3 or higher, this card gets +4500 power until end of turn."