In 2004, Wizards of the Coast released the Kamigawa block, sets inspired by traditional Japanese mythology. By every measure, they were a failure.
The original Kamigawa was a "deep cut" into Japanese mythology and spirit lore. Too deep, it turns out. Most of the audience didn't get the references and concepts. It didn't help that it was much less powerful than the sets immediately before.
This year, WotC took another crack at Kamigawa.
I do admire this about Wizards of the Coast, they are willing to revisit their failed mechanics and settings. They even brought back phasing in the last couple of years, which stunned old-timers. It's now something you can do temporarily to targets, to remove a threat, or save one of your creatures. "Target creature phases out."
In the intervening years, manga and anime has become much more popular, especially in Magic's target demographic. So the new Kamigawa set, Neon Dynasty, jumped forward in time, and leaned heavily into a lot of recognizable anime/manga tropes.
And naturally enough, WotC made an anime trailer for the set, featuring two of their new planeswalkers, Kaito and the Wanderer: