Not Updated For Current Season
Early Game : While on lane, just try to creep as much as you can, dont try to get some *~AwEsOmE~* kills, 'cause odds are, you are going to be dead if you try. I mean, if the guy has like 10 HP left, then gg, get the kill.
Mid Game : You should have your IF ready, and have your ult so try to gank and mid, or even bot if youre close.
Late Game : Carry this **** and win.
PS : If you see that the other team has a high HP rate, start your madreds right after you finish your phantom dancer, then continue with atmas and etc.