A: You can find authentic Pokemon cards at local gaming stores, hobby shops, and reputable online marketplaces
Doubly so if youre willing to throw your Characters into the proverbial meat grinder
There are too many names to count, but some include Stardust Dragon, Red Dragon Archfiend, and Goyo Guardian
Snake-Eyes has far too many options for a Kuriboh Deck to deal with, from card destruction during their turn, to outright turning monsters into Continuous Spells/Traps in the backrow
About Dowsing Machine For a long time, especially after Expanded was retired from the Western competitive circuit, it was almost impossible to find information about the format without going on Japanese sites and videos
Of course, you can use cards like Professors Letter or simply draw into your energy cards, but I personally think its way to situational to work properly, which doesnt mean that its not an interesting card with a decent amount of potential, especially because unlike Talonflame, its just a stage 1, so you can actually just evolve into it to make use of its energy acceleration