This is a way of balancing the mana values of the cards in your deck
Yes, sure, it can go into any green deck and start putting counters on things, but to get the real synergies with this going, you need to be in a dedicated +1/+1 Counters deck
The format also has its own Forbidden & Limited List, which places cards in groups: Forbidden, Limited 1, Limited 2 and Limited 3
While there is always a chance more might join Beach on the ban list in the future, the company seems to be keeping more of an eye on promo cards nowadays
Support your collection by adding and swapping colorful cards from a variety of sets, generations, and multiple sets
If you need help figuring out the best cards to get in the new Paldean Wonders set, we have you covered