The Cyber-Controller {X}{U}{U}{B}
Legendary Artifact Creature — Cyberman
Identity
Dimir
EDHREC rank
#8,282
Cheapest printing
US$0.38
TCGplayer
Printings
4
When The Cyber-Controller enters, each opponent mills X cards. Put all creature cards milled this way onto the battlefield face down under your control. They're 2/2 Cyberman artifact creatures.
Other artifact creatures you control get +1/+1.
Keywords: mill
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.