So this idea came from a conversation about a champion being created to do true damamge and then would rely on auras to increase its attack. The basis of this build though is to be a total support in team fights and when laneing with other champions. It is recommended that you only use this build in preset fights or with friends that know your playing style.

I havent figured what runes would be best for this build but I am currently using a universal rune setup between all of my charachters.

The mastery page as you can see is 0/22/8 specking mainly in defensive. The purpose is to maintain the semblence of a tank for Amumu, there is some changeability with specing into the heal or revive spell to go with haste or teleport to improve mobility early on in the game.