PSA/BGS grading demand is dominated by English cards, especially for resale
Then of course theres that ultimate, which is practically an instant kill for one player
Not having Solitude and Pitiless Plunderer doesnt make this a bad Liesa deck, just a different one
As mentioned above, you just have to be a bit more wary and research the item you are buying to make sure you are getting a legitimate product, and make sure the seller is reputable before buying from them as well
More experienced players are using it as a reliable reference tool for staying up to date as well, since it also features articles and the latest news surrounding the game, including any tournaments that may be going down
In that case, you can easily get cards in the Lost Zone with Comfey [Lost Origin] and Colresss Experiment [Lost Origin], Lost Vacuum [Crown Zenith] a Forest Seal Stone [Silver Tempest] in play, accelerate Energy with Mirage Gate [Lost Origin], and attack with Radiant Greninja [Astral Radiance]