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 - $7.20
Lightly Played Foil - $6.90
Moderately Played Foil - $6.50
Heavily Played Foil - $5.80
Damaged Foil - $4.70
NM-Mint Foil Non English - $7.20
Lightly Played Foil Non English - $6.90
Moderately Played Foil Non English - $6.50
Heavily Played Foil Non English - $5.80
Damaged Foil Non English - $4.70