Urza, Chief Artificer 2 (Commander: The Brothers' War)

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 token gets +1/+1 for each artifact you control."

NM - $7.50
LP - $6.00
MP - $4.50
HP - $3.00
DMG - $2.00