Again, I really boiled this list down to good , responsible group hug cards, ones that give you a chance of winning instead of throwing in the towel and saying everyone gets to do what they want! The key is having control over your own effects instead of playing universally beneficial cards that reward everyone equally
Theyre not always big
Because sourcing happens at street-market level rather than through an international trade tier, volume discounts exist but are incremental, not transformational
Rarity economics & collection culture Whether its the best Pokmon packs to buy for profit or just for fun, people love collecting
Once that two-week period is over, you will be charged
For many of the most powerful cards in the game, their power level is balanced out by being extremely expensive to cast (meaning you cant cast them until the late-game), or forcing players to make another big sacrifice to bring it into play