While triggering based on the lore counters being added might be a downside for Solemnity, it does open up some tricks, especially in Modern, Legacy, and Commander, but in Standard as well
The thing that specifically baffles me, however, is this: if the intention was create a balanced version of Standard with nerfs and buffs, why release a plethora of new, powerful cards that reshape the format
I dont usually pick up Blitzball or World Map unless Im playing artifact/sacrifice synergies, or I miss out on those other fixers
Day/Night wasn't worth doing if there wasn't large enough change to evoke strong flavor
Its a cool deck idea and unique support for a new tribe, but I'm waiting on opinions until I see him in action more
Kozileks Command Kozilek's Command does a ton for you in a colorless space, from scrying to being colorless removal to providing graveyard hate