This Gruul commander can help speed up games, and remove some of the hesitation or guilt players sometimes feel about attacking opponents, especially when playing with strangers at an LGS
While it's possible that I'm underrating Kinsbaile Cavalier, my guess is that it's more of a fun card for casual Knight decks than something that will be a part of more competitive Knight decks (although I do think Knights will probably be a solid aggro option in Historic)
Take the foil snow-covered land Secret Lair drop, for example: if you are on a limited budget and all you care about is having snow-covered basics for your Commander or Modern deck, you should probably just by some non-foil Modern Horizons snow-covered basics and spend the rest of your budget on more cards you need to build decks and play games with
"Elesh Norn's hubris is evident in the beauty of her own faction and environments," Cartagena says, "so I wanted to see a villain that was both scary and appealing." That's what Junji Ito delivered
A 7/6 with Trample is something the opponent is forced to deal with, and thanks to the Discover 5 ability, you could easily end up with even more power on board