One major thing to keep in mind is that your seven lands have to have different names, so if you have six Forests and then play Field of the Dead, not much is going to happen
For that reason, its worth running even if it ends up dead on a few occasions
Its effect is amplified in Commander due to higher starting life totals, its constant availability as a commander, and by the fact that you get the cards in hand immediately after activating its ability
It triggers even when youre using Blood to pay for Wedding Security or Bloodcrazed Socialite
Teammate Andrea Mengucci recently wrote: Cheap black removal spells like Fatal Push and Terminate are much better than Lightning Bolt and Unholy Heat because theyre able to kill a creature equipped by a [Colossus] Hammer
However, the lower the mana curve gets, the less helpful the extra lands from Kodama can feel