Pocket wants you to replicate the feeling of going to the store, opening a pack, and scoring a rare card
Expect to see some fluctuation as opinions on Mega Ultra Rares might change, especially since they have English versions to compete against
On the surface its just another Sword & Shield era set filled with familiar card types like V, VSTAR, and Radiant Pokemon
Even then, most of the time, youre only going to be able to reduce it by a mana or two
While thats all well and good, it is much more fun to break that rule
Second, the filtering aspect of Champion of Wits is helpful, since it gives us a way to discard extra copies of the legendary Naban, Dean of Iteration