Kazuki Takahashi, the mangas creator, tried to make the concept work with other games like chess, but it was the card game that became very popular in Japan
Planeswalker Points are a system for players of DCI-sanctioned tournaments provided by Wizards of the Coast
We grew our baby chicks to huge proportions
Youll probably sell it on TCGPlayer first, but you get the freeroll of possibly selling your cards at above market rates to someone that probably scammed their way into a handful of eBay bux and is using them to purchase Magic cards
Finally, if your deck from the XY era was still legal and strong enough to compete against newer cards, why would you spend money on building another deck
Getting to reanimate it for free every time a Dragon drops is excellent, especially if you can discard it early to something like Faithless Looting