Thats thanks to the new Offspring mechanic, which allows you to drop a little extra mana while casting your creatures to have them pop out little 1/1 token copies of themselves
Pokmon cards, baseball cards, even Magic: The Gathering cards can all be worth thousands
When sorting a large amount of cards, its often easier to sort them in small batches and make piles that work within your sorting system
If you decide to sell locally, keep in mind that while you wont have to deal with extra fees, youll still have some overhead
Of course, the usual methods of having a creature die, destroying a non-creature permanent, or putting a card into the graveyard after resolving it work too
Standard almost makes sense as an Arena only format, because a lot of the supplemental products arent available on Arena, but then Arena created its own supplemental products and its own explicitly Arena only formats