Ashad, the Lone Cyberman {1}{U}{B}{R}
Legendary Artifact Creature — Cyberman
Identity
Grixis
EDHREC rank
#13,369
Cheapest printing
US$0.28
TCGplayer
Printings
4
The first nonlegendary artifact spell you cast each turn has casualty 2. (As you cast it, you may sacrifice a creature with power 2 or greater. When you do, copy it. A copy of an artifact spell becomes a token.)
Whenever you sacrifice another creature, put a +1/+1 counter on Ashad.
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.