Ragavan proved so good, in fact, that it even got banned in Legacy
Mew [Holo] #4 (Pokemon POP Series 4 | Pokemon Cards) prices are based on the historic sales
I dont even own a 3DS or many physical Pokmon cards anymore, but once I have to move on to law school, start paying student loans, get married, and start having kids, I wont even have the time to regret how little I support Pokmon anymore
Cards with effects that are too small or too expensive, for example, Hissing Miasma only makes opponents lose 1 life, Hedron-Field Purists costs 15 mana to prevent 2 damage from each creature, Orim's Prayer only gains you 1 life per attacking creature, etc
After that, after S, X summoning and processing other than release increased increased number of appearances It was regulated in the S period, but in the X period, it became difficult to use due to poor compatibility, and demand decreased
The Trap requires you to Tribute any number of Adamancipator monsters to destroy that many target cards +1 on the field