Urza, Chief Artificer (Extended Art) [The Brothers' War Commander]Set: The Brothers' War Commander Type: Legendary Creature Human Artificer Rarity: Mythic Cost: {3}{W}{U}{B} Affinity for artifact creatures (This spell costs {1} less to cast for each artifact creature you control.) Artifact creatures you control have menace. At the beginning of your end step, create a 0 0 colorless Construct artifact creature token with "This creature gets +1 +1 for each artifact you control."