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.
NM-Mint Foil - $7.00
Lightly Played Foil - $6.30
Moderately Played Foil - $5.60
Heavily Played Foil - $4.90
Damaged Foil - $3.50
NM-Mint Foil Non English - $7.00
Lightly Played Foil Non English - $6.30
Moderately Played Foil Non English - $5.60
Heavily Played Foil Non English - $4.90
Damaged Foil Non English - $3.50