This can be bypassed with a sacrifice outlet to get rid of the old creature before blinking Nihiloor to take new ones
On a more positive note, I think he was the good guy for a while when Simic Flash was on a rampage, and he does shut off Embercleave, so he has that going on
In 60-card Constructed formats, turbo-fog decks have found success in the past
You might see it once in a Blue moon from someone who really wants that extra land search, but if I'm being frank: you're likely seeing a suboptimal build at that point
Lands like Field of the Dead and Bojuka Bog also have their own ETB effects that you can double up with this excellent horror commander
Legendary Creature - Praetor Phyrexian Removal (CTRL to add secondary) Tokens Drivnod, Carnage Dominus If a creature dying causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time