Get the M2-Inferno X booster box shipped directly from Tokyo, Japan with tracking & insurance.
The best strategy to use is to have a tanky Pokemon like Chansey or Snorlax soak up damage at front while you build your nukes at the bench and firing them off when available
Even if you don't attack with any creatures during combat, you'll still get a postcombat main phase and Sphinx of the Second Sun's ability will still trigger
Heres Rosss decklist: Professors Research adds a lot of draw power to the deck, so even though you dont get the guaranteed Energy acceleration from Sada, you can still get multiple Energy in play thanks to Dark Patch and Galarian Moltres V (with Energy Switch)
Contents: 18 Gemstone Volume 4 booster packs
But worry not if you are looking to pick up a copy, as it is also coming in the default border, retro frame and showcase variants, each with their own foil versions too