The tradeoff is that you have to put two energy cards attached to your Pokmon into the Lost Zone
The Infernal Spawn of Infernal Spawn of Evil had a child
If your deck provides a steady source of sacrifice fodder, this gives a steady source of mana
This list focuses on cards that can put counters on themselves and others, with a bias towards Commander and Cube, though all-stars in other formats can show up
Regardless, when you open a Japanese booster box, you are guaranteed to have at least some pulls, even if they arent the ones you wanted, and because all ARs are seeded the same as any other AR, manipulation of these card prices or highly inflated prices due to bad pull rates is almost impossible
Pokmon TCG has a very challenging market due to many factors, but it mostly comes down to print runs still not being enough to meet demand