Its the safer play and the upside is just as real
You could easily add this card in any Rakdos deck since it essentially only needs itself to work well enough, but it also fits wonderfully in decks like Anje Falkenrath madness or any other mechanic that technically plays things from exile
The original concept art for Garnet was created by Yoshitaka Amano, and the final version was created by Toshiyuki Itahana, as well as Shukou Murase and Shin Nagasawa, who also handled the in-game version of the character
I really like the effect here though
I dont think Days Undoing is actually busted or anything, but I think its actually going to see play (often out of sideboards, such as the Blue Devotion deck above)
Many of the best token commanders create tokens whenever you attack, cast spells, or activate abilities, which help you maintain board presence without complicated setups