Twinflame Tyrant Far Fortune, End Boss Ojer Axonil, Deepest Might / Temple of Power Imodane, the Pyrohammer Solphim, Mayhem Dominus And there are some other good options in mono-red likeNeheb, the Eternal and Toralf, God of Fury / Toralf's Hammer as well as nice cards that add a color, like Tor Wauki the Younger, Firesong and Sunspeaker, and Ghyrson Starn, Kelermorph
Or, if you want to check out your options when it comes to Commanders using only those from the Lord of the Rings MTG set, check out our list of all LOTR MTG Commanders.
The Ink Flood, The Hero + The Inklands
The activated ability isnt the focus, but its a nice touch
The flip condition seems fair: play two Spirits or Arcanes, collect two ki counters, then flip
Final Fortune is so flexible and powerful that most Red decks also happen to play two copies of the effect but strictly worse in Warriors Oath and Last Chance