This list was created based on presale prices before Prismatic Evolutions was released, so all values shown are liable to change
It also sets up board scenarios in which the player becomes more able to bring in monsters that suit the game situation and can be used to specifically counter the opponents setup
Using your Leader effect first, you can even remove a 7-cost Character with Juzu without using any card resources
Counterfeit cards are strictly prohibited by Wizards
While its still pulling data from the TCG mid metric instead of TCG Market Price, its still one of the most common smartphone sources of looking up card prices in my experience
In Street Fighter, the jump to playing a different, more competitive character is a different menu choice (or at worst, a DLC purchase rarely more than 20) and a few dozen hours of practice - a drop in the bucket for a competitive player at top levels