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 - $4.90
Lightly Played - $4.00
Moderately Played - $3.50
Heavily Played - $3.00
Damaged - $2.50
Near Mint Spanish - $4.90
Lightly Played Spanish - $4.00
Moderately Played Spanish - $3.50
Heavily Played Spanish - $3.00
Damaged Spanish - $2.50
Foil Prices
Near Mint Foil - $21.50
Lightly Played Foil - $17.20
Moderately Played Foil - $15.10
Heavily Played Foil - $12.90
Damaged Foil - $10.80
Near Mint Foil Spanish - $21.50
Lightly Played Foil Spanish - $17.20
Moderately Played Foil Spanish - $15.10
Heavily Played Foil Spanish - $12.90
Damaged Foil Spanish - $10.80