Hello. I don’t know if you’d be interested in changing realm/faction, but just on the off-chance, I’ll put our hat in the ring.
I’m Guild Leader of a Horde guild on the joint realms of Lightbringer/Mazrigos. We are an 18+ social/casual raiding guild that raids twice a week, Wednesday and Friday, 21:00 to midnight server time.
We concentrate on the flex raids, ie, Normal and Heroic. Our raid sizes can be anything from 10 to 30, although we usually, mid raid cycle, tend towards 15-20 raiders.
We have no raid signup requirements … any guild member of any rank can sign up to as many or as few raids as they wish. The only thing we ask is that if they sign up, they have at least the minimum gear for the raid, they come prepared with flasks, enchants and gems, and they turn up on time, for the full duration (although sometimes we can wiggle that a little, depending on role and numbers 
)
We do operate a first come first served policy - so if you sign up on the day of the event, potentially you may not get a spot (although that’s fairly rare). Obviously this depends on role - we sometimes operate a rota for tanks and healers, although currently this is not the case.
If this sounds tempting, please check out our realm post for more information: