Scale each image to 2.5 x 3.5 (standard MTG card size)
Imotekh is a better leader for this precon by miles, if only because he can flood a battlefield with Necron Warrior tokens like it's nobody's business
What makes this so good is that you only need a dork of a power four or more to work, so every Commander with it should toss this in, as welk as in ones that pump your Commander's power like auras, equipment or Voltron
Soulherder Flickering creatures to get their ETBs again is good, but what if that enabler was a massive threat as well
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) A creature that's both a Zombie and a Mutant will get +X/+X only once from Hancock's first ability
Not all of it is downwards, either, so lets get into it and see what opportunities exist right now, and which hint at future ones