Each Saproling 1/1 token pack contains 4 tokens
This ratio notionally allows an artist to represent full-body shots that capture the movement of an entire body (in this, its not so different from comic book covers, with their 5.3:7.72, a point to which Ill return in a moment)
The second category are rare because there really were only a few copies of them ever printed
As an example, Emchompite says that cards that were included within Japanese sets, like the Secret Rare Yveltal EX from Best of XY, but as promos in English, are usually more expensive in Japanese just due to the nature of their release (i.e., having to pull the card from a pack vs a guaranteed promo card in a product)
The higher likelihood of achieving a 10 translates to better profit margins
The style is very unique for a fantasy game but definitely appreciated and would make a great addition to any cyberpunk themed Commander deck or Cube