All of the decks that were previously bad Karn decks now are in the clear to ramp into a way to select the right hate card
Unless you count a Japan-exclusive Final Fantasy Buy-a-Box Promo, currently retailing at $2,000 or so
The landfall cards are primarily green , with red cards like Call the Mountain Chocobo able to create Bird tokens with landfall abilities
First, one easy way to get a rough sense of whether a price spike is real or not is to look at the TCG Market price and the buylist value (and related spread) of a card
Don't settle for flimsy alternatives
What you do need is the same paperwork any store needs to buy wholesale and sell to the public: A registered business a sole proprietorship, LLC, or corporation, depending on your setup