Looking on the internet deeply has found these results:

polyhedral is the most popular phrase on the web.

polyhedrally 15,990 results on the web	polyhedral 12,480,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	new seven piece set of polyhedral dice. LET'S ROLL TO THE PARTY LIKE WE ROLL THEM POLYHEDRAL DICE I've got a brand

polyhedrally

15,990 results on the web

polyhedral

12,480,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.