Whether all Cids or a lot of Cids decks are viable remains to be seen, especially as the rest of the Final Fantasy crossover set hasnt been revealed yet, chances are, popping a few Cids into certain decks is a huge benefit, especially ones using hero tokens.
Use playmat
Never have been, and yet The Infamous Cruelclaw makes me look at my pile of Rakdos bulk and question if I can accomplish the impossible (for me)
In time, either deck may prove to be great for competitive play, but right now, I'm not convinced either are as competitively viable as Rise of the Floodborn 's Amethyst/Steel deck , which is arguably still the most powerful Starter Deck to date
As long as Xorn is in play, whenever its controller would create any number of treasure tokens, they produce that many plus one