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 [Secret Lair: Heads I Win, Tails You Lose]](http://tothetablebgc.myshopify.com/cdn/shop/files/944ca6e7-084b-424a-80c1-e88de192fd98_bcc57e94-737d-4ec5-954b-06a786fdbdee.png?v=1776455851&width=1445)
