言っちゃった みに is a Weiß Schwarz card from 彼女、お借りします Vol.2 KNK/W132-027. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 This ability activates up to 1 time per turn. When you use an 【ACT】, this card gets +1500 power and the following ability until end of turn. "【AUTO】 When this card attacks, reveal the top card of your deck. If that card is level 1 or higher, put it into your stock." (Otherwise, return it to its original place. Climax are regarded as level 0)