While it obviously synergizes with Appas first effect, it also plays nicely with all sorts of other recent MTG design
Mechanics like energy have expanded the idea of players having unique counters since poison counters were added to the game
Grand Architect: A Lord for Niv-Mizzet, and there are enough artifacts in this deck that his other ability ought to come in handy quite a bit too
Whether as a grail item for collectors, an unparalleled piece of Magic history, or simply the most mythical artifact in the world of TCG collecting, The One Ring truly lives up to its name
There's no real reason a deck like this needs a land like Reliquary Tower or Tectonic Edge over other better, budget-friendly, colorless lands
Since the format is naturally less competitive and you have 3 opponents (instead of 1 as you do in other formats), who you target, what creatures you remove, and who you choose to attack is a matter of choice