Thats not the butterfly, butterfly has 3 DC's and DML/DMR.
This is called the WM like pablo said.
Originally Posted by Walphin
That formation is called 3-2-2-2-1 butterfly, its epic.
However, I think you can counter it with a 3-2-2-1-2 used as follows:
Dc, Dc, Dc
DML DMR
Mc Mc
Amc
ST ST