真心込めて is a Weiß Schwarz card from ガールフレンド（仮） Vol.2 GF/W38-096. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Look at up to four cards from the top of your deck, choose up to one blue character from among them, reveal it to your opponent, put it into your hand, and put the rest into your waiting room.