When Goblin Engineer enters the battlefield, you may search your library for an artifact card, put it into your graveyard, then shuffle. {R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield.
Near Mint - $10.70
Lightly Played - $9.60
Played - $7.50
Heavily Played - $6.40
Damaged - $5.40
Near Mint Non-English - $10.70
Lightly Played Non-English - $9.60
Played Non-English - $7.50
Heavily Played Non-English - $6.40
Damaged Non-English - $5.40
Foil Prices
Near Mint Foil - $13.10
Lightly Played Foil - $11.80
Played Foil - $9.20
Heavily Played Foil - $7.90
Damaged Foil - $6.60
Near Mint Foil Non-English - $13.10
Lightly Played Foil Non-English - $11.80
Played Foil Non-English - $9.20
Heavily Played Foil Non-English - $7.90
Damaged Foil Non-English - $6.60