When Goblin Engineer enters the battlefield, you may search your library for an artifact card, put it into your graveyard, then shuffle your library.
{R}, {T}, Sacrifice an artifact: Return target artifact card with converted mana cost 3 or less from your graveyard to the battlefield.
Near Mint - $8.60
Lightly Played - $6.90
Moderately Played - $6.00
Heavily Played - $5.20
Damaged - $4.30
Near Mint Spanish - $8.60
Lightly Played Spanish - $6.90
Moderately Played Spanish - $6.00
Heavily Played Spanish - $5.20
Damaged Spanish - $4.30
Foil Prices
Near Mint Foil - $22.60
Lightly Played Foil - $18.10
Moderately Played Foil - $15.80
Heavily Played Foil - $13.50
Damaged Foil - $11.30
Near Mint Foil Spanish - $22.60
Lightly Played Foil Spanish - $18.10
Moderately Played Foil Spanish - $15.80
Heavily Played Foil Spanish - $13.50
Damaged Foil Spanish - $11.30