For Worldpurge, that means blinking a bunch of cards out of play, resolving this 8-mana sorcery, then being the only one left with a board when your cards re-enter
This ability alone will likely make Ozai playable in some lists, particularly those that lean heavily on infinite mana combos
This isnt perfect but we dont need perfect, we just want some ideas
The difficulty with calling a deck mid or a 7 out of 10 is that meaning varies wildly from player to player
Make a billion tokens, make a billion mana, draw a billion cards, pump all your creatures, and swing for lethal in a single turn, is what Tomer said that usually happens with this commander if its let free
In most ways this is the weaker card to Craterhoof but it does have some unique things to offer in addition to being a good threat that comes with an Overrun