Urza, Chief Artificer {3}{W}{U}{B}
Legendary Creature — Human Artificer
Identity
Esper
EDHREC rank
#4,910
Cheapest printing
US$1.06
TCGplayer
Printings
3
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."
Keywords: affinity
Every printing
highest TCGplayer market first; a card with only a thin single listing shows its low
In short
A Commander deck is a commander and 99 other cards, one copy of each (except basic lands), all inside the commander's colour identity. Paste a full list into the deck price calculator to price it and check it against the format.