Duels take place like the traditional real life card game and revolve around turn by turn games, and in the end being able to outplay opponents and hope that luck is on your side is a major part of the game and with each duel comes a good amount of enjoyment
You can certainly run this Balrog as your commander and do Dargo tricks, but I think it works just fine as a card in your 99 and played fairly, especially if you have ways to bring creatures back from the graveyard
Remember that a spell's mana value is determined only by its mana cost, so even if you cast Starfield Shepherd for its warp cost, its mana value remains 5
Thraben Inspector 6 Never a bad card in any archetype it seems
Playtesting against various other decks provides valuable insights into the decks strengths and weaknesses, allowing players to make informed adjustments
Whos the aggressor, who is on the defense