Krang, Master Mind {6}{U}{U}
Legendary Artifact Creature — Utrom Warrior
BlueCommander: legal
Identity
Blue
EDHREC rank
#10,793
Cheapest printing
US$0.63
TCGplayer
Printings
2
Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
When Krang enters, if you have fewer than four cards in hand, draw cards equal to the difference.
Krang gets +1/+0 for each other 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.