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 - $14.10
Lightly Played Unlimited - $13.40
Moderately Played Unlimited - $12.00
Heavily Played Unlimited - $10.60
Damaged Unlimited - $9.90