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 - $16.40
Lightly Played Unlimited - $14.80
Moderately Played Unlimited - $13.10
Heavily Played Unlimited - $11.10
Damaged Unlimited - $6.70