With a red, white and black colour identity, that should work to your advantage as you can have Megatron, Tyrant as a Commander, and fill your deck will nice Instants like Gods Willing or Infuriate to gain an upper hand
Its a good mana fixer, so you can invest heavily in colorless ramp and use your commander to fix colored mana
Setessan Tactics can be used as an anthem effect to end the game, but it can also be used as a pseudo-creature board wipe with its fight-granting ability
[17] Spells consume mana, usually requiring at least one mana of a specific color
Kida Protector of Atlantis People had already guessed we would be getting a Floodborn Kida character after seeing the cost one version
Sauron is most often built around using various amass effects with ring tempting cards to back them up