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 - $5.15
Lightly Played Unlimited - $4.90
Moderately Played Unlimited - $4.40
Heavily Played Unlimited - $3.90
Damaged Unlimited - $3.35