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 - $61.40
Lightly Played Unlimited - $55.30
Moderately Played Unlimited - $49.20
Heavily Played Unlimited - $36.90
Damaged Unlimited - $30.70