For Unchained, this was the destruction of their own cards, something card design has gone out of its way to stop you from doing to yourself after learning the lessons of interacting with your own board via bounces and pops (such as Brionac, or Heavy Storm ) the hard way over and over and over
Unlike the Blastoise card which shows the Pokemon sitting in this cluttered space, Venusaur instead has that big, open expanse so that they can be close but not confined
At the bottom of a Pokmon card, there are symbols: diamonds stars circles The diamond symbols are sought after when it comes to Pokmon trading cards
Cheap and efficient ways to draw and discard are also key for decks that have synergies with the discard pile
Things like Kurt's Card Care have come on the market in the last few years and I've seen people get good results in using it on vintage holos to bring back the shine and remove some surface scratches
This Fusion monster practically shouts Super Polymerization with how generic its recipe is, not to mention the subtle attribute change offered by Rokket Loader