Tezzeret the Seeker 62/249 (Modern Masters 2015)

+1: Untap up to two target artifacts. −X: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle. −5: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.

NM - $47.70
LP - $38.20
MP - $28.70
HP - $19.10
DMG - $9.60