Big Dragon Rulers going to semi-limited and Sacred Sword of Seven Stars , Gold Sarcophagus going to limited are major hits to consistency, forcing Dragon Ruler to come up with a whole new strategy if they were to remain competitive
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Notes and Rules Information for Kediss, Emberclaw Familiar: The damage the commander deals as a result of Kediss's triggered ability isn't combat damage
MSRP is $29.99 & $14.99 USD
As for the actual deck building itself, it works very well
Even with Wizards design team building in a number of limitations to the original Necropotences effects, Necrodominance can still generate a huge amount of value and work as part of some dastardly black mana combos
Even without adding in any landfall or other mana-based combos, simply playing a fetch land like Evolving Wilds or Terramorphic Expanse will instantly transform Tifa Lockhart into a 4/4 creature with trample