Given that rad counters tend to go away quite quickly, it can actually be pretty hard to get more than a few proliferations off this thing
You can always cast these creatures for their mana costs as normal and make sure they stick around for a good time and a long time
There are a whole host of more affordable, but still awesome, cards you can find on the secondary market for a few dollars each
Flow State is worse but very similar in nature, and you can get two cards from your top three with a certain consistency in a format that allows you to play spell-based cantrips like Brainstorm and Preordain
Yedora's Flippin' Forests Most of my decks sit somewhere in the huge gap between precon level and fringe cEDH and this is no exception
But it might strive to do just that with a giant Commander, a swarm of tokens, or just good ol' burn damage