Most of the player base who plays with any regularity knows whom you refer, it's not like it's a big secret (Grain & Rom).
As to the event itself, it sounds fun.
I think a lot of people could enjoy something like this, and since it is more sphere representation then about score, everyone has a shot at it.
That uniqueness is what makes it very different from the official tournaments currently held.
Mass Extinction(TM) awaits you...