Goblin Engineer 
Creature — Goblin Artificer
When this creature enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.
, 
, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL