You can view the Brackets System Beta page and the Game Changers on Wizards official site now, which cuts down on confusion for those wanting to look up the latest version to share with their playgroups
As spoiler season goes on, its worth examining how much support there is for self-mill in Limited, how many creatures have square stats or higher power than toughness (making them more likely to die and fuel Escape), and how much removal circumvents the graveyard (such as Banishing Light and Charmed Sleep) In Constructed, the rules are quite different
Power-wise, I think Oketra the True and Heliod, God of the Sun are about equal (both are low-powered, honestly)
while this is likely a downside in most cases for green, it does mean the tokens you make are safer from getting blown up in combat
That might sound frustrating, but its part of the hobby
At best youll deprive them of a few key resources, at worst (and more often than not), youll make their deck more consistent by trimming the fat