Holographic cards, alternate art versions, and anything featuring fan favorites like Charizard or Pikachu automatically command higher prices
This set also features the heavily sought after Special Illustration Rare Charizard ex that looks like it is bursting out of a crystal cave or some sort of glass structure
So with Glistening Oil, you're giving an enemy creature Infect, staying safe from the poison counters yourself, all the while gaining life from having it on the field
Do the cards inside a Japanese booster box include promos or extras
Selvala works very well with cards that care about a creature's power, like Ghalta, Primal Hunger and The Great Henge, or green cards that double the power and toughness of your creatures
It's not the biggest issue perhaps, as most are likely to play mobile games with sound disabled, but with all the cosmetic unlockables (which we shall get to) it seems like a wasted opportunity not to have unlockable battle themes when the Pokmon series has so many great ones to draw upon from its legacy