Urza, Planeswalker

+3: Return target artifact card in your graveyard to your hand. If you control at least 3 artifacts, return that card to the battlefield instead.
-X: Return all other permanents with converted mana cost X or less to their owner's hands except for lands and artifacts.
-11: You get an emblem with "Spells you cast have affinity for artifacts." Gain control of all artifacts.