Due to how many Fusion Monsters use generic materials, Super Polymerization can Summon them while using only the opponent's own monsters
Each of the Commander decks is built around a specific game, with four of the most popular ones being chosen (VI, VII, X, and XIV)
Essentially, this just means that there is an actual brand called Card Saver (by a company called Cardboard Gold) that started producing these protectors in 1991 and the design became so popular that any protector featuring that brands unique design began to be called a card saver
While this price isnt to be scoffed at, it nevertheless shows that a mythic serialized card doesnt guarantee value
Instead, it seems Shiny Revelry was revealed in its place due to the timing of its release
can be used as a Level 4 extender thanks to her Special Summon effect, and is also searchable through one of the same "Seventh Tachyon" targets "Ryzeal" use