The most popular Fusion-based Decks have ways to retrieve those monsters or get something extra out of them when theyre sent to the Graveyard, like Shaddolls or HEROes
With just the two currently known monsters of this type you can make very powerful combos and easily summon Rank 9 XYZ monsters, and thats with literally just half the support
Even if you have 10,000 cards, you arent going to make a lot money on them if theyre only worth $0.01 a piece
KILL COUNT AS OF VOLUME 20 Yami Yugi: 11 kills Seto Kaiba: 4 kills Yami Bakura: 3 kills Creepy Mime: 2 kills Katsuya Jonouchi: 2 kills Shadi: 2 kills Baby Joji: 1 kill Marik Ishtar: 1 kill Pegasus J
(.____.) The whole process of gathering medals and climbing up the tournament ladder took a shorter time than I expected
Wisdom-Eye Magician 3 1 Tellarknight Ptolemaeus 3 0 Limiting Wisdom-Eye Magician makes Magician even more undesirable, and would see a more players pivoting to Performapal Performage