Masuda points specifically to Game Freaks relationship with Nintendo as a friendship, which is why Game Freak only makes Pokmon games for Nintendo platforms, even when its other projects release with other publishers for other platforms
Milling yourself or your opponent is a pretty good effect in the format too
Can I Print Full Commander Decks and EDH Staples
There are subcategories within these rarities that make things a bit more complicated, but at the most basic level you can determine rarity at a glance by looking at the symbol to the right of the collector card number
Bouncing a damaged Kronk or The Prince, Never Gives Up can be a great way to heal them so they can be played again, while bouncing a shifted Hercules or Cinderella will always give you two cards back, and even allow you to add one of them to your inkwell if you're in a position to play the Floodborn card for full price
Key fact: there are small visible defects on this card that, according to many collectors, would likely prevent it from receiving a 10 if graded today under PSA's current standards