[Black Clover] Black Bulls

Choose one character on your opponent's front line. It loses 1000 BP for each [Black Bulls] affinity card on your field until the end of the turn.
Rarity:Rare
Number:UE08BT/BCV-1-031
Series Name:Black Clover
Card Type:Event
Activation Energy:Purple
Required Energy:4
Action Point Cost:1
Trigger:[Special] Choose one character on your opponent's front line and sideline it.