Krang, the All-Powerful {4}{U}
Legendary Artifact Creature — Utrom Robot
BlueCommander: legal
Identity
Blue
EDHREC rank
#6,909
Cheapest printing
US$0.38
TCGplayer
Printings
3
If a player drawing a card causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
Whenever a player draws their second card each turn, put a +1/+1 counter on Krang.
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.