Share 'What makes a great MC????????'

There are many skills and MC can possess ( voice, flow,content,delivery,stage presence,writing ability,fly sneakers)which ones ranked in order are the most important. Personnally i don't know (I'm just a drummer dammit) but I know when I like an MC- some of my fav major MCs in no order. KRS-ONE,Nas,GZA,Rakim,talib,Mos Def,De la Soul, Ce-Lo,Outcast,Beasties,sadat X,Biz,MF Doom,Serengeti, chuck D...