What is your favorite brisket rub?

I like a good prime rib rub

I like Cowlick, but normally just go with salt and pepper.

I used prepackaged rubs for years as a recreational / occasional griller. Couple years ago, when I got my egg, the occasional / recreational changed to full on cooking with the BGE, and to lower my expense I started making my own. For brisket, I use 35% coarse ground salt and 30% coarse ground black pepper, 20% garlic powder, 10% onion powder, 5% smoked paprika. The key for me is the S and P. They are the work horses in a full packer cook.

I like meat church holy cow. It comes in a large container and is cheap I think. 

Another vote for Meat Church Holy Cow beef rub.

The oakridge black ops is damn, damn fine if you want something exotic. 

I'm more of the simple fare. Lots of fresh ground pepper.. course and fine salt, onion powder, garlic powder, smoked chipotle, and smoked paprika.

I'll occasionally toss in some fresh ground coffee when I wanna be different.

figure 40/40 salt and pepper.. diffuse the rest as you choose, and keep in a shaker or a bag for future use.

But I'm a fan of mixing it up myself.

For those who don't want to play with an expensive brisket cook, grab some strips or ribeyes and use the rub on them to get an idea of how it works with beef.

I used to use a homemade rub with paprika, salt, pepper, chili powder, sugar...NEVER AGAIN, my brisket gets nothing but kosher salt and black pepper from now on.