As their text suggests, the cards are intended to be thrown away during the production of Lorcana cards in the factory - making the very few that slip through and make it into a booster pack especially rare
Im presuming a significant number of them stayed
An ungraded 151 Charizard at its peak was worth around $250, for instance
Use Ultra Balls to discard any extra Tatsugiri from your hand, because you wont need them after the beginning
run Fervors to give those tokens haste, run Aggravated Assault to get extra combats and therefore extra +1/+1 counters from Edgar Markov, and run any/all of the cheap vampire creatures and their associated lords
I like Dark Bargain in Reanimator decks, and I like some of the other surveil adjacent options, too