Black Sonic (Purple) (DLCS-EN032) - Dragons of Legend: The Complete Series 1st Edition
null / Normal Trap
TRAP
When an opponent's monster declares an attack on a "Blackwing" monster you control: Banish all face-up Attack Position monsters your opponent controls. If you control exactly 3 "Blackwing" monsters (and no other monsters), you can activate this card from your hand.