No. In general legacy has become very copy and paste. I find it hilarious that within a new archetype as new as eldrazi your so quick to eschew a powerhouse like all is dust. As a one of in the the main ( completely castable mind you) it can get this very linear deck out of some sticky situations.
no the main reason is because it has been discussed and tested earlier in this topic. i love all is dust dont get me wrong. But i think it belongs in the sideboard, not in the main. there is just no room for it