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 - $73.45
Lightly Played Unlimited - $70.45
Moderately Played Unlimited - $59.95
Heavily Played Unlimited - $52.45
Damaged Unlimited - $37.50