甘く危険な二重奏 耶倶矢&夕弦 is a Weiß Schwarz card from デート・ア・ライブ Vol.3 DAL/W131-009. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 During your turn, if you have 2 or more other characters, this gets +3000 power. 【AUTO】 {CX Combo} When this attacks, if you have the Wind CX (015) in your CX Area, and you have 3 or more other 《Date》 or 《Celestial Spirit》 characters, mill up to 3, choose up to 1 Level X or lower 《Date》 or 《Celestial Spirit》 character from your Waiting Room, add it to hand, and this turn, this gets +1000 power. X equals the number of 《Date》 or 《Celestial Spirit》 characters sent to Waiting Room by this effect.
This card was printed in Japanese only; the English text above is an unofficial community translation.