I also run a karador deck it is my baby and I have built it from the ground up. On the best things I have learned over time running it is the use of sac engines to both protect things and empty your deck. Using grater good as both a sac outlet a draw outlet. Lets you run through your deck draw your utility and discard unneeded creators that would be more useful in your graveyard. Then living deathyojr whole deck cad concordant crossroads and stare your opponent in the face.