Iris Libre is a Weiß Schwarz card from アズールレーン Vol.2 AZL/S119-031. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Choose 1 of your characters, and that character gets +4000 power and the following ability until end of turn. "【AUTO】 When this card's battle opponent becomes 【REVERSE】, you may deal 1 damage to your opponent." (Damage may be canceled)