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.
Near Mint - $8,500
Lightly Played - $6,800
Moderately Played - $5,900
Heavily Played - $5,100
Damaged - $4,300
Near Mint Spanish - $8,500
Lightly Played Spanish - $6,800
Moderately Played Spanish - $5,900
Heavily Played Spanish - $5,100
Damaged Spanish - $4,300