Goblin Engineer (Retro Frame) (Foil Etched) (MH1-016) - Modern Horizons Foil

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.