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 - $11.30
Lightly Played Unlimited - $10.20
Moderately Played Unlimited - $9.00
Heavily Played Unlimited - $5.70
Damaged Unlimited - $4.50