Tezzeret, First Craftsman

: Artifacts spells you cast have Affinity for Artifacts. Whenever you cast an artifact spell, you draw a card and lose 4 life.
+1: Return target artifact card from your graveyard onto the battlefield. Exile it at the beginning of the next end step.
-7: Return 7 nonland permanents to their owners' hand. You may put any number of artifact cards from your hand onto the battlefield.