When a Blackwing monster is Normal Summoned to your side of the Field, you can add 1 Blackwing monster from your Deck to your hand that has less ATK than that monster.
Near Mint Unlimited - $14.00
Lightly Played Unlimited - $13.30
Moderately Played Unlimited - $11.90
Heavily Played Unlimited - $10.50
Damaged Unlimited - $9.10