おっきな貝殻、どこかな？ is a Weiß Schwarz card from プロジェクトセカイ カラフルステージ！ feat. 初音ミク Vol.2 PJS/S109-019. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Deal 1 damage to your opponent. Choose 1 of your 《Music》 characters, this turn, it gets +5000 power.
This card was printed in Japanese only; the English text above is an unofficial community translation.