昼の花火 うみ is a Weiß Schwarz card from プレミアムブースター Key 25th Anniversary Ksm/WE50-38. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this is placed on stage from hand, if you have another 《Anniversary》 or 《Summer Pockets》 character, this turn, this gets +2000 power. 【AUTO】 [Put 1 card from hand into Clock] When this is sent from Stage to Waiting Room, you may pay cost. If you do, search your deck for up to 1 《Anniversary》 or 《Summer Pockets》 character, show it to your opponent, add it to hand, and shuffle your deck afterwards.
This card was printed in Japanese only; the English text above is an unofficial community translation.