The one of the goals of the TCGO seems to be to emulate the experience of playing the card game in real life, and the single player campaign takes you through a tournament hosted by a fictional game store, with 15 AI opponents (all with unique personalities and flavor text, including some good-natured trash talking), who you challenge through four leagues of 12 games each for a total of 48 games
Hans, Run! ended up inspiring card versions of both Saffi Eriksdotter and Hans Eriksson, the named characters in that text, even though it took us 25 years to finally see Hans printed
Selling should happen about six months before rotation, but theres a third part: buying cards as they rotate
A lot of the information on Pokemon cards has to do with The Pokemon Trading Card Game
People feared using Smeargle because of how popular Juniper was getting, but Juniper doesnt hurt this deck at all so you can feel free to take more risks