Some argue that it will become as important to modern collecting as the 1986/87 Fleer basketball set or the 1909-11 T206 White Border insert set. Despite the vast numbers of cards sold, the majority were regularly played with and traded by kids around the world
Finally, keep an eye on the app if youre using it
It's quite exciting
Like most Pokmon cards, the value of Onix depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Unseen Forces)
Unfortunately for players looking to obtain these lands, the Guru Program was rather short-lived
This one may be the easiest to break wide open, considering you can get clue tokens from other cards and effects, possibly allowing massive tutoring