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 - £5.90
Lightly Played - £5.10
Moderately Played - £4.20
Heavily Played - £3.00
Damaged - £1.80
Near Mint Non English - £5.90
Lightly Played Non English - £5.10
Moderately Played Non English - £4.20
Heavily Played Non English - £3.00
Damaged Non English - £1.80