Any green commander will do as long as they're smaller than a dinosaur
Ninjutsu is probably the best draft deck archetype that black has with Kamigawa: Neon Dynasty , and, if you are able to draft Kaito Shizuki, you are pretty much obligated to play a blue/black ninjutsu deck
The cores of JP print cards, however, are purple, and are likely of a different composition
Since the token copies also have the ability to create token copies of themselves, once one copy hits the battlefield, it'll be very difficult to remove them permanently
Considering avoiding Craterhoof Behemoth and picking one of the many adjacent versions of this effect instead
Her ability to cycle through your deck while slowly chipping away at health totals makes her a very resilient leader, establishing her as one of the best Vampire Commanders for grinding long games