They have special extended artwork and rainbow coloring on the banner
These cards have yet to have a substantial impact and I dont see players going out of their way to play these clumsy, confusing, and often luck-driven cards when theyre not even particularly strong
For example, a Garchomp deck that uses other critters, like the Greninja line, may be forever stuck on all Water Energy and never get the one Fighting Energy needed for the Dragon Pokemon to attack
So what separates the commons from the crown jewels of the Pokmon TCG world
For my mom that would be papercrafts, camping, and murder mysteries
The other two are Simic AscendancySimic Ascendancy, which wins with +1/+1 counters, and TriskaidekaphileTriskaidekaphile, which wins with card draw