The Pokemon Company International Pokemon Trading Card Game: Scarlet and Violet Crimson Haze Booster Box (Japanese Version) Current price: $89.99 From GameStop Loading Inventory
Given that Tapu Lele-GX can find that Supporter, you can also include any Pokmon-searching Items as an out to find Double Dragon Energy
Decks like these are often largely built of cheap fodder creatures, meaning theyre surprisingly affordable for their power level
If you really want to go big, pairing it with something like Teferi, Temporal Archmage can turn repeated untaps into infinite mana, giving you all the fuel you need to take over games
This is a little harder to come by, and can run you up to $60 or more, but you get a wider selection of cards, including more rares and uncommons, and several characters from which you can choose to build your deck around