Thread:Zannia/@comment-85.210.104.47-20130403114705/@comment-1321146-20130403194233

You are correct.

Same with a 7/3 setup. Or a 6/4, a 5/5, or a 4/3/3. Any realm represented by more than 3 cards will get the 4.5% bonus.

Again, remember that the 4.5% are not visible outside of combat.