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Short answer, no. There is a lot of nitpicky fine print and “nuance” involved but while you cannot copyright rolling a twenty sided die you can copyright a bunch of distinct and organized thoughts and specific groups thereof, such as the collection of rules that make up a class or subclass. If that class, subclass, spell, made up monster with a specific name and abilities, etc is published in some work that is sold for profit then legal action can occur.
Anything under creative commons effectively becomes public domain. If it appears in a WotC book, digital content, etc and is not specifically under CC, like say spells and subclasses from any supplement not included in that (such as Xanathar or Tasha), it is copyrighted and WotC can and will sue you if you republish it.
Yeah, and my personal opinion of the Drow is that you can still have matriarchal spider themed villains and not be “problematic” if you just st officially decannonize all of the weird-ass kinky fetish stuff that Ed Greenwood wrote into their original description. And the same can be said of most “problematic” things in Forgotten Realms, which is the source of a lot of the stuff that many consider to be “generic D&D.”
Seriously, go through the deep lore of FR and you will find a bunch of stuff that reads like it was written by a horny thirteen year old that wants to be edgy and kinky but clearly doesn’t know how fetishes or anything occult actually work beyond involving leather, whips, and bloody sacrifice rituals at orgy parties like a midwestern church granny will tell you happen every time anybody plays Dungeons and Dragons. I wonder where they got that impression from…