Select 1 of your removed from play DARK monsters, and Special Summon it. When this card is removed from the field, destroy and remove from play that monster. When that monster is destroyed, destroy this card.
Near Mint Unlimited - $0.50
Lightly Played Unlimited - $0.45
Moderately Played Unlimited - $0.38
Heavily Played Unlimited - $0.30
Damaged Unlimited - $0.25