Card Bending This test can also minimally damage cards you may own, but another option to ensure a card is fake or not is to bend it over in half without adding too much pressure (like putting it between books)
Here are a few of them: Rarity
With Gengar exs Shadowy Spellbind preventing the opponent from using any Supporter Cards, and the likes of either Hypno or Muk putting opposing Pokemon to sleep or poisoning them
Broken Dreams "Powered" Cubes get their name from the inclusion of the Power Nine (Ancestral Recall, Black Lotus, Mox Pearl, Mox Sapphire, Mox Jet, Mox Ruby, Mox Emerald, Time Walk, and Timetwister), and other cards of similar power level
I encourage you to explore your own way through this complex maze of thought after all, Winter makes it very clear that you can only trust a guide so far