Built around Wilhelt, the Rotcleaver, this deck offers strong tribal synergies, token generation, and plenty of upgrade potential
You have two extra lands for your next turn so either 8 or 9 mana if undisrupted or still at least 5 even if you eat a brutal Wrath
Looking at the history of Energy decks across formats highlights the mechanic's unique ability to provide both enablers and payoffs that can be equal parts powerful, unpredictable, and perhaps for game designers, difficult to balance
The nostalgia for X/Y era Pokemon drives a lot of the enthusiasm.
I could see cards like Lurrus or Lutri redefining and dominating Constructed formats, and I could see Standard mostly passing them by
To show this, it's easily one of the most reproduced single pieces of art in the games history (and even has a rule 34)