Sagas are pretty intriguing with Anikthea, since she can get them back, but I think most of the ones that were chosen aren't particularly great and ultimately take up space in the deck
If you have to choose a card you control, you may name a Melded card (assuming you control it)
Less is more when it comes to cleaning cards unless if there is significant damage, then the big guns gotta get pulled out like the holo crease thermal pen to reduce Pokmon card creases
Apart from this article, I dont know anything about playtesting in Pokmon, especially not during the WotC era
Swinging in price a few percentage points (and tens of actual dollars) is its default state of being
"The problem with Expedition is that there are no Crystal cards," said Browning