Kotori in Training Wear is a Weiß Schwarz card from Love Live! DX LL/EN-W01-076. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 [(1) Put a card from your hand into your waiting room] When this card attacks, if a card named "Wonderful Rush" is in your climax area, you may pay the cost. If you do, deal one damage to your opponent, and this card gets +2000 power until the end of your opponent's next turn. (This damage may be canceled)