It can late-game drop and just kill the table
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
Mirko, Obsessive Theorist lets you return a creature from your graveyard to the battlefield, so long as that creature's power is less than Mirko's
Ideally, Id update mine whenever a premier set like Ikoria: Lair of Behemoths releases so, about four times a year
Because SCG has already priced Scapeshift down pretty aggressively, I doubt itll lose a full half of its value from here
While you could run Reanimate in all three, I doubt Lazav cares about Cosmic Epiphany as much as Octavia does, while a card like Dread Return is probably easier to cast in Sidisi