It does everything a tempo deck in Modern wants from its creatures its cheap, provides card selection and is an evasive threat
The idea is to set up Baxcalibur or Frosslass as soon as possible to have access to unlimited energies and then you can really leverage a lot of different Pokmon that can provide you with search and draw, like Octillery and Inteleon
The point of this bracket is to build the strongest deck you can without focusing on the metagame like you would with a cEDH deck
A mostly free 4/4 that draws cards is hard for your opponents to keep up with, especially since you can sandbag the threats to play around a sweeper
Some infinite combos can at least be countered, but the fact that the one Protean Hulk enables (easily so) an instant win just by removing it is one of the most salt-inducing things green can do
From the early games slow, creeping setup to the mid-game where you control the board with a relentless wave of resurrected nightmares, your strategy mirrors the slow-burn terror of Itos work