Plus, you dont really have to choose between Zndrsplt or Okaun if youre playing Commander
Getting the balance of your deck right is harder in Commander though, so we've put together a guide on how to build a MTG Commander deck for you
Tiamat If this D&D legend resolves, you can be sure you're never running out of gas for the rest of the game
Gravebreaker Lamia will also fetch up a card to put in your yard, and give you an additional bonus of making all spells from your graveyard cost one generic mana less
I do not foresee Radiant Flames as being a significant problem for this deck, since you should be able to pace your threats so as to not make it valuable, but if that is not the case, this is where I would look for a replacement
The design encourages a lands-matter strategy that can generate significant value through sacrifice synergies