Clay Burst infamously featured Iono, which caused the set to sell out in one day.
Keeping it simple, each Pokmon that you play is a specific type, has a set amount of hitpoints, and has different types of moves that it can use

Pokmon (20) 4Charmander OBF 26 1Charmeleon PAF 8 3Charizard ex PAF 54 2Pidgey MEW 16 2Pidgeot ex OBF 164 1Radiant Charizard CRZ 20 1Bidoof CRZ 111 1Bibarel BRS 121 1Rotom V CRZ 45 1Lumineon V BRS 40 1Cleffa OBF 80 1Manaphy BRS 41 1Jirachi PAR 126 Trainer (34) 3Arven OBF 186 3Iono PAF 80 2Boss's Orders PAL 172 2Professor Turo's Scenario PAR 171 1Roxanne ASR 150 1Team Yell's Cheer BRS 149 4Rare Candy PAF 89 4Ultra Ball PAF 91 4Buddy-Buddy Poffin TEF 144 2Super Rod PAL 188 1Nest Ball PAF 84 1Counter Catcher PAR 160 1Prime Catcher TEF 157 1Lost Vacuum CRZ 135 1Forest Seal Stone SIT 156 1Choice Belt PAL 176 1Defiance Band SVI 169 1Collapsed Stadium BRS 137 Energy (6) 6Fire Energy 2 For some time, I assumed that Charizard was always going to be played like thisuntil I started to realize that the ability was so good that it could enable other strategies
Some of the most expensive Pokmon cards, like the Pikachu Illustrator and 1st Edition Charizard, have sold for tens of thousands of dollars
Known as the 'Radome Pokmon,' Dottler is the evolved form of Blipbug, transitioning during its growth to further evolve into Orbeetle
Tips for Buying on Any Platform A few things that apply everywhere: Compare prices before purchasing