since you particularily mentioned the bg use,why not just put them is as an optional bg reward?
v4p is always a tricky thing since its easy too overflow their occurrence, though itd have a nice side effect that people would vote more regularily.
I got the impression that there are lots of people who have the good mids/lowers and dont feel voting urge as much as they did when v4p started.
(not wanting to raise a discussion if thats a good attitude)
might also silence those "whaaa,gr in oca was so unfair" cryers since theyd a) have a chance to use gr too and b) realise that gr isnt almighty
If you stare into the Abyss there's a 1d20 chance that 2d4 lesser Tanari'i
stare back at you