They arent a way for Wizards to sneak a secondary banlist into the format, but rather a way for some long-established community norms around what cards dont belong at more casual tables to be more codified
The terms and conditions on the bottom absolutely kill me, and while, yes, this isnt a legal card, it still captures a piece of LGS culture that has stayed prominent since 1998
Typically, as soon as Craterhoof Behemoth comes into play, one, if not all of your opponents are in serious danger
When Kaiba first showed up at Yugis grandfathers card shop, it was to buy the fourth Blue-Eyes White Dragon off of him...just so he could tear it in half
Limited bomb for sure, but it leaves a lot to be desired for Constructed applications