Tezzeret, Master of the Bridge (275) - BaB Promo

Creature and planeswalker spells you cast have affinity for artifacts. (They cost less to cast for each artifact you control.)
: Tezzeret deals X damage to each opponent, where X is the number of artifacts you control. You gain X life.
: Return target artifact card from your graveyard to your hand.
: Exile the top ten cards of your library. Put all artifact cards from among them onto the battlefield.