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 - $7.700
Lightly Played - $6.100
Moderately Played - $5.400
Heavily Played - $4.600
Damaged - $3.900
Near Mint Spanish - $7.700
Lightly Played Spanish - $6.100
Moderately Played Spanish - $5.400
Heavily Played Spanish - $4.600
Damaged Spanish - $3.900
Foil Prices
Near Mint Foil - $23.100
Lightly Played Foil - $18.500
Moderately Played Foil - $16.200
Heavily Played Foil - $13.900
Damaged Foil - $11.600
Near Mint Foil Spanish - $23.100
Lightly Played Foil Spanish - $18.500
Moderately Played Foil Spanish - $16.200
Heavily Played Foil Spanish - $13.900
Damaged Foil Spanish - $11.600