Lawl, Black templars and ultramarines (only noobs choose ultramarines) Tis all about the Earth defense force, yeh we will run you away, but most likely run away.
Just kidding, its all bout the Space Wolves, jesus chirst there scouts are deadly since 1) they are veterans (yes, space wolves scouts are not scouts, they are Lone wolves, Tactical marines that there squad got fucked up and they are the only ones left) But blood angels gene fault is usefull too, since the Death Squad destroys everything even there own friends!