D&D is set in a multiverse with many different planes with their own you get my point
Most evilly (and boring, in my opinion), you can combine Squirrels with Opposition
However, by investing in cards that are exceptionally rare, have impressive illustrations, feature highly popular characters, are promotional cards, or ideally a combination thereof, and conducting ample market research beforehand, the financial gains made via single card investment can far outstrip those made through investing in sealed boxes
When the anime took the form fans know today, a new ruling system was formed that has been in use ever since
An example of this is the action game "ACTION Q" where you can create and play maps
While on the surface it might seem cool, it does exactly what I'm saying not to do