Black Sonic is a Ultra Rare Trap Card card from Yu-Gi-Oh! (Dragons of Legend: The Complete Series, DLCS). Current market price: $0.32.
Ultra Rare
Dragons of Legend: The Complete Series (DLCS)
Card Text
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.
