The sheer volume of explore and Glowspore Shaman means the extra color is mostly free, and another color of creatures to recur with Find after self-milling them isnt bad either
If an effect says to set a player's life total to a number that's higher than their current life total while they're affected by Screaming Nemesis's last ability, their life total won't change
While its plenty powerful, its the effect on perceived barrier-to-entry that really posed a problem because casual players watching Commander games in passing could reasonably assume that they needed hundreds (now thousands) of dollars in Power-9 mana as table stakes, just to join the format
And thats what its really about, right
A 3/3 deathtouch for three is a totally reasonable on-curve play for a midrange deck, and Isareth the Awakeners reanimation ability pushes it over the top for me
High Volume Purchases If youre willing and able to buy a lot of booster boxes at once, some stores might work with you a bit on the pricing, lowering the cost per box to you in exchange for getting to extract profit from a lot of boxes right away on their books