Ideally, Id update mine whenever a premier set like Ikoria: Lair of Behemoths releases so, about four times a year
While being colorless does impose a special deck building restriction, thats not really a problem for Zhulodok since Magic has all sorts of mana rocks and artifacts to ramp you up to getting this Eldrazi out as soon as possible
Some also need to be banished by being put in your discard pile for them to work
Because SCG has already priced Scapeshift down pretty aggressively, I doubt itll lose a full half of its value from here
If youre missing your Untap Creature options, being able to tutor up only one creature per turn, which definitely doesnt cut it at cEDH tables anymore
Yuffie Kisaragi is a great fit for Yuriko, the Tigers Shadow, while Najeela and Winota both get treatments as Cloud Strike and Bartz Klauser