I suggest you Google "Dublin casinos", see what the search results are and go to each of the casinos websites and see what they have to offer. Hopefully the websites will have the information you're looking for
I was in a card room earlier on fitzpatricks street, at the time I was there they were playing 50c/$1 omaha with a rake of €9.66 per person per hour so maybe they run the games you're looking for. I wouldn't know much about live rakes but when I saw what they were charging I thought it was a bit steep