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 - $9.20
Lightly Played - $7.30
Moderately Played - $6.40
Heavily Played - $5.50
Damaged - $4.60
Near Mint Spanish - $9.20
Lightly Played Spanish - $7.30
Moderately Played Spanish - $6.40
Heavily Played Spanish - $5.50
Damaged Spanish - $4.60
Foil Prices
Near Mint Foil - $28.90
Lightly Played Foil - $23.10
Moderately Played Foil - $20.20
Heavily Played Foil - $17.30
Damaged Foil - $14.50
Near Mint Foil Spanish - $28.90
Lightly Played Foil Spanish - $23.10
Moderately Played Foil Spanish - $20.20
Heavily Played Foil Spanish - $17.30
Damaged Foil Spanish - $14.50