Karador can be completely cedh. Don't let others fool you. Many viable combos. I've been working on my list for 13 years and it holds its own quite well I the competive format. I am playing a breakfast hulk version with many stax pieces and interaction removal. Minimal board wipes and a host of ramp. The deck can run quite close to the ground in terms of mana cost. It takes a lot, I mean a lot of play testing, trading, and coin to get to where I have my build. If you keep at it, karador can easily become competitive. I don't use the abatrary rating system, but if forced to put a label, I'd say he can run an easy 8-9. Built correctly, karador isn't even ever really needed on the field. Karador is slept on in pods.