Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value.
Near Mint Foil - $19,266.10
Lightly Played Foil - $18,302.80
Moderately Played Foil - $16,376.20
Heavily Played Foil - $14,449.60
Damaged Foil - $13,486.30