Oswald Fiddlebender 28 (Adventures in the Forgotten Realms)

Magical Tinkering — {W}, {T}, Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put it onto the battlefield, then shuffle. Activate only as a sorcery.

NM - $4.70
LP - $3.80
MP - $2.90
HP - $1.90
DMG - $1.50