I am Dr. Birdman. I play Mordekaiser, the badass metal warrior! Here is what I would suggest you follow if you want to do some serious work as Mordekaiser.

Quick little thing about how I personally did his abilities. While most guides obviously get his "E" ability up, then go for his "Q" ability. I feel this is wrong. Becuase while it does give you instant damage, it does not good you sustained damage. With your "W" ability, you gain both Armor and MR while also doing a pretty good amount of DPS. This helps you poke the enemy without getting destroyed yourself.