Effect
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.
To activate "Black Sonic" from your hand, you must control exactly 3 "Blackwing" monsters and no other monsters. (You cannot activate it from your hand if you control any face-down Defense Position monsters.)
If all of your Spell & Trap Zones are occupied, you cannot activate "Black Sonic" from your hand.
This effect does not target.
You cannot activate this card if a "Blackwing" monster becomes an attack target due to a replay.
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