The schematic artifacts appear exclusively in the retro frame
If you have access to a Squire, you can set Emperor this way and have Squire flip it to summon more Penguins from the deck and make your end board monsters, or if you've already played an Emperor and have a Squire, you can summon a Puny Penguin and make Kanzashi, Rikka Queen using your two synchros, and after tributing your Emperor again, you can summon one of the materials to flood the board with bigger monsters and floaters, creating quite the intimidating board for your opponent to contend against
Keep repeating this process until you eventually find a creature like Avenger of Zendikar , which can create an army of powerful plant tokens that can overwhelm your opponent
Some cards are simply more appealing to look at than others
Cyclizar became a huge hit in the Pokmon Scarlet and Violet video games where it was introduced, because of the fun ability to see it used as a motorcycle for characters in the game