Pokmon Pocket should make it an official part of the game and experiment with, if not an entirely separate queue, then at the very least an event
In Commander, the must-haves for Mana rocks are Sol Ring (instant reward of an additional colourless Mana), Arcane Signet (that can quickly tap for any colour with no drawback, Fellwar Stone and the various Talismans and Signets (allow you to filter between two colours)
In the TCG, most fire Pokemon take double damage from aquatic assaults, therefore Water-type decks can be very difficult to go up against
This Charizard ex features a Terastallized Shiny Charizard, which is considered by many to be one of the coolest Shiny Pokemon variants among all generations
Worse, there are several commanders there on the page that don't appear to work at all with it, which is usually a red flag that folks are playing the card wrong