With the inception of Scarlet & Violet, came new concepts for players to get their heads around, for example 'Tera Type' Pokmon, the re-introduction of 'ex' Pokmon and a new emphasis on the Paldea region
Overall, if you are looking to play a Dark World deck, I strongly recommend to start from 2 or, better, 3 copies of the structure deck to fuel more cards to your strategy and to remove those that weaken it
Paying six mana to give all of your creatures what is essentially double lifelink and flying is a way to either end a game on the spot, or make it nigh impossible for your opponents to outrace you
11, 2025 rotation, as it loses Pokstop, Radiant Greninja and Dark Patch, but players will definitely try to make this deck work long after its prime
Hitting Eternal Witness can return Genesis Wave or any Garruk Wildspeakers / Nykthos, Shrine to Nyx you hit to allow you to cast it again, drawing your whole deck and eventually killing them with a very angry Craterhoof Behemoth