Though Tag Team Pokemon GX come at a steep price of three Prize cards, their speed and strength shook up the metagame with extremely powerful combinations that ended up taking top honors at several major tournaments (like in May when Reshiram & Charizard GX secured both first and second at the 480-player Santa Clara Pokemon Regional)
Sealed boxes and individual singles are available exclusively on the secondary market
This mount even comes with its own counter-doubling ability if you saddle it, which isn't very hard to do, and can just target itself to make it an even more threatening creature
Impetus Auras The impetus auras provide a wonderful boost to your creatures or incite chaos in a multiplayer game
Number 23 Language English Legal Formats Commander, Legacy, Pauper, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pioneer, Standard, Timeless Rulings (12/8/2022) You choose the target for Dread Return before paying any of its costs, so it's not possible to cast it using flashback and bring back one of the creatures you sacrifice
The biggest factors are the card itself, the grade, the grading company, collector demand, and recent sales of similar cards