A 2 mana 2/2 creature that can be played in response to a fetchland like Wooded Foothills, a watered down version like Fabled Passage or Terramorphic Expanse, a ramp spell like Three Visits, or another means of cheating cards into play like Kodama of the East Tree in order to ramp out one Plains card from your deck is already good value
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If you play a lot of wheels and spells or abilities that loot through cards, this is worth a look and multiply that recommendation by 100 if your Commander discards cards, as I feel its close to an auto include if it does
Now you may be asking yourself, why would I want Kardur, who wants my opponents to attack each other with as many creatures as possible, to lead a deck if Im just going to kill all my opponents creatures
In a multiplayer environment, this can easily provide +10/+X to a target creature