@ajfirecracker Stax was pushed out of the meta due to token generators. Diminishing the number of token decks will help stax but (at least in the short term) diminish the winrate of the current most popular shops decks which feast on token/gush strategies.
Here's the only problem with this theory that other shops decks will compete now that gush is restricted - current shops decks need a natural predator that they have to adapt to. Currently that deck is. . .?????
There also has to be an actual reduction in token strategies for stax to be viable again. Surely in the short term as people who felt gush was the problem explore this may be the case. But I honestly think when the dust settles we are going to have mentor decks (most likely PO mentor) and shops decks very similar to the build we have now.
The reason for this has nothing to do with gush being restricted or unrestricted. We have plenty of fantastic brewers out there like Brian Kelly, Joe Brennan, Josh Potucek and Rich Shay to name a small handful showing the community just how many different decks are viable and competitive. But the community as a whole is going to fall back into the perceived best - which will still be the explosive abilities of mentor.
Short term yes, we'll see some changes, but after 2-3 months we're right back where we were last week: with 2 decks vying for the GOAT title being played by the bulk of the field. And just a note - I'm talking paper meta. No clue how mtgo will shake out.