Deckbuilder Toolkits were a product WOTC used to put out aimed to give new players enough cards to build a deck
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I think thet will be specifically because these packs have Gengar and Mewtwo, and we all know how much of a boner white dudes born in the 90's get over LE EPIC GEN 1 Pokemon
Now let's move onto the other mechanics
You can emote on their cards or even buy them if youre so inclined, but its mostly just a quick snapshot of cards that other people have created
Sure, Great Tusk ex, Espathra ex, Nemonas Backpack, and even Donphan could see some light success, but the four cards listed in this article have a serious shot at seeing some competitive play