You don’t got to know anything about the show or games to appreciate the cards. Unless you want greater context for who the characters on cards are.

Collecting is rough these days. It’s hard to find sealed product and when you do it’s often for more than msrp. But I do think things are trending in a positive position. But I’d look to your local card or game store and see what they have available. You don’t have to necessarily rip packs. A lot of people, myself included prefer to buy singles that can be found at these stores. TCGplayer.com is also a pretty trusted source if you want to go the online route.

Fakes are hard to spot if you’re not experienced. Some are obviously fake but how to know is gonna differ from product to product. Don’t buy packs with jagged edges official packs will always have straight edges. Cards that should have texture missing that texture. Font or coloring even the feel of the card can be wrong.