//unbind w in settings
//since it will overwrite/ignore any of this

//When you load ember, just open console and type "ember"
//and it will switch your w to quickcast.
//run normal_w or re-exec your autoexec to go back to normal

bind w "dota_ability_quickcast 1"
alias ember "bind w dota_ability_cast 1"
alias normal_w "bind w dota_ability_quickcast 1"