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 - $1.90
Lightly Played Unlimited - $1.70
Moderately Played Unlimited - $1.50
Heavily Played Unlimited - $1.30
Damaged Unlimited - $1.20