C715 A complete victory

Why was the black card here? Originally, when Chen Yun came to fight a battle with Jia Long and the rest, he had already sent a call to Chen Ge requesting his help, thus, when the transaction had started, the black card had been lying in ambush inside the carriage. Now that he saw that Jia Long was about to rush over, he immediately started the car, intending to crash Jia Long to death