The only solution is to outprint the demand, but as yet The Pokmon Company has demonstrated that it either cant or wont do this, and in fact seems to be going out of its way to make the situation far worse
One of many collaborations recently announced by Wizards of the Coast, following the high-profile MTG and Final Fantasy crossover
Budget Options Cheaper Ive tried to build this deck as cheaply as possible
The deck is called Chaos Incarnate, so one might assume a bit of a chaos theme
it was meant for people in Japan who watched Horizons Episode 14, but anyone can use it
Also, if youre debating playing two one-ofs with fairly similar effects or two of the same card, you should generally lean towards the split if people will not expect (and play into) the less popular card, and the better-positioned two-of if both cards are well-known or expected