秘密兵器 チカ is a Weiß Schwarz card from 幻日のヨハネ -SUNSHINE in the MIRROR- YHN/W111-081. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this card is placed on Stage from Hand, if you have another《Sound of Heart》Character, until end of opponent’s next turn, this card gains +2000 Power. 【AUTO】 [(1) Send one card from hand to Waiting Room] When this card is placed on Stage from Hand, you may pay the cost. If you did, choose one of your opponent’s Characters, return it to Hand.
This card was printed in Japanese only; the English text above is an unofficial community translation.