Tinker

Sorcery, 2U (3)
As an additional cost to cast Tinker, sacrifice an artifact.

Search your library for an artifact card and put that card onto the battlefield. Then shuffle your library.
"What separates us from mere beasts is the capacity for self-improvement."
Illus. Chris Rahn

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: Because the "search" requires you to find a card with certain characteristics, you don't have to find the card if you don't want to.

Format Legality	Restricted in Vintage, MTGO Classic Banned in Legacy, Extended, Standard
Printings (2/7)	From the Vault: Exiled (Mythic Rare) Urza's Legacy (Uncommon)