Mox Sapphire doesn't do anything more than provide a single blue mana, but the fact you could play as many of these artifacts as you wished on the first turn meant it was theoretically possible to have far more mana than your opponent if you received a lucky draw
We also know that it includes three new Radiant Pokemon, six Pokemon VSTAR, 14 Pokemon V (along with one Pokmon VMAX), and "30 cards with artwork featuring fan-favourite Trainers and Pokmon in the Trainer Gallery subset"
With Burn It All Up, you can load your discard pile with cards that you can then use with Incendiary Pillar, as youll need at least 10 Fire Energy cards in your discard pile to deal 150 damage
They also help you draw some additional cards if your creature dies
Turbo Dark and RowEgg/Vileplume which both had done well
Speaking to other players at our preview, placing The Lord of Pain in the Command Zone seems to be the preferred way to run the deck and we can see why