Of course, the Pokmon TCG is a business and Secret Rares equal more customers buying more products in attempt to chase more cards but with so, so many sets coming out per year, it feels like a cap of nine Secret Rares per set would be fair
Since a Faerie Typal Commander deck plays a whole lot of Faeries, its not hard to see why Spellstutter Sprite is useful
Cards that you can use to start the game immediately
No, and there are no "low prints" it's just that resellers (scalpers) are buying up all the stock and shipping a large portion of it overseas to gullible people that are willing to pay 3x retail price
They also make great business cards, as Tyvek lasts forever
Conversely, power levels can be more abstract, like Commander Spheres Lasagna Tier: This obviously is much more open to interpretation when it comes to cards that are welcome and those that arent, but it places more emphasis on the enjoyment of the game than maintaining a prescriptive card pool or rule set