Sometimes it's because the card is too powerful or too weak
The Egyptian God cards may have struggled to live up to their anime hype over the years, but Egyptian God Slime is an exception
Dinomight Knight is so strong, in fact, that it is actually a Limited card in the Yu-Gi-Oh
Special Summons itself while you control exactly 1 Level 4 Monster and adds a ZW card to your hand when used as material for a Utopia Xyz Summon
While not as off the charts in cube as you might expect with all the fuss they received if played as written, the problem is that games become pretty samey pretty fast with so many of the same cards and interactions popping up time and time again
The visitors from outside the Core, including the River Heralds, all chime in with the same sentiment: Yeah, pretty much everyone from above has been exploring and mining, so this was inevitable