“Christmas Bells” Rin Hoshizora is a Weiß Schwarz card from Love Live! DX Vol.2 LL/EN-W02-E153. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 [(1) Put a card named ""Happy Maker!" Rin Hoshizora" from your hand into your waiting room] At the beginning of your opponent's attack phase, if this card is in your center stage, you may pay the cost. If you do, choose one of your other characters and this card, and those cards get +3000 power until end of turn.