A bundle seems like an odd choice, especially with a unique promo
If you'd like further reading on some of the common arguments (and why they're incorrect), Patrick Chapin wrote a great article on this very subject that you can read here
For Commander, this seems like an auto-include in decks like Niv-Mizzet, Parun or Keruga, the Macrosage
One of the best draw spells ever printed, Expressive Iteration quietly crept up to an absurd amount of money for a modern-era uncommon, but its effect on the game is nuts
This is especially popular for Commander players and cube designers who want matching token sets, themed accessories, alternate-art gameplay pieces, or upgraded table presentation
Cascading into another legendary nonland card that costs less, costing WUBRG, having chunky stats Hes strong enough to lead his own decks, but hes also a great piece of card advantage to stick in the likes of Sisay, Weatherlight Captain or Esika, God of the Tree