Its probably that you get to play red cards, which I fundamentally think at the most fun-promoting cards in Commander, augmenting any color or color pair with the juice to get things done with a little chaos and unpredictability thrown in there for good measure
There are dozens more cards in this set that have the potential to see play in constructed, I just picked the 25 that I thought had the most potential
These key cards need to be powerful enough to make a high impact on the game
Aesi, Tyrant of Gyre Strait Landfall-draw a card is so incredibly broken
Although it will vary from deck to deck, this one seems preferable to the machinations of some of the other high-priced options
discounting Judge Foil reprints in old borders, playable foils in miracle and Nyx-ified borders are relatively new and there has yet to be data to validate my point