Machine Man, Model X-51 {4}
Legendary Artifact Creature — Robot Hero
ColorlessCommander: legal
Identity
Colorless
EDHREC rank
#25,543
Cheapest printing
US$0.24
TCGplayer
Printings
1
Whenever you cast a noncreature spell, put a +1/+1 counter on Machine Man and he gains flying until end of turn.
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.