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.
![Goblin Engineer [Modern Horizons]](http://paradoxtcg.com/cdn/shop/files/6fde1655-1e6e-5408-b137-d0497091d4f1.jpg?v=1731004418&width=1445)
