That said, you can easily play Pokmon TCG Pocket by not spending a penny but that might only get you so far or at least, where you want to get to very slowly
Legendary Planeswalker - Chandra Chandra, Torch of Defiance +1: Exile the top card of your library
These are all the cards revealed for the set during the Champions League
If this spell was cast from a graveyard, exile it, then put it onto the battlefield transformed under its owner's control with a finality counter on it
CapsizeCapsize: I know I mentioned buyback spells already, but consider this a reminder
Between keeping up with each set, the price of secondary market cards, and then the actual players themselves, it can be a lot to manage