I personally think @genosha worded it pretty good, for master set collectors, it all comes down to budget: Master sets (simple question!) I always feel that the discussion about Master Sets is all about budget
The Manga Rare Rayleigh has maintained its $600+ valuation, and SP cards continue trading at healthy premiums
The main difference though, is unlike those raids, you are trying to beat your friends, and this guide will tell you how
It stands to reason then that a commander that can do both, and for a low cost of 3 mana, is likewise going to be quite good in many decks, and his color identity allows him to fit into a variety of strategies
The main line that she specifically enables is the Firemind's Foresight into a one mana draw spell (like Brainstorm or Whispers of the Muse)/Lightning Bolt, Reset/Reality Spasm/Dramatic Reversal and Reiterate
The value train doesnt stop there, though