You'll be doing what green does best: Play elvish mana dorks, scale them up with +1/+1 counters, and swing big
These dont have a price on TCGPlayer yet, but I believe that theyll easily hit the 1,000$+ mark judging by other serialized cards WotC has released in past sets
Not only does it care about lands, but it can also reduce the blue mana in the casting cost of instant and sorcery spells you cast
So at a bare minimum be wary that hiccups have happened in the past, and hope and pray it doesn't happen to you
Last year, the worst deck in terms of reprinted commanders was the Vampire deck, with two reprinted legends in Anowon, the Ruin Sage and Drana, Kalastria Bloodchief
Frustratingly, since all the backgrounds are monocolored, you won't be able to play all these cards in the same deck, unless we get that rules change for hybrid mana