whats the best rb abilities to run on a powerback?
Shifty I believe is the gold standard for all RBs.
Balanced is a big one too because of how everyone always tries to hit stick and the amount of big hits you seem to take from AI defenders in ultimate team games.
Better off investing in strong grip, using a multi back system.
Depends on your playstyle.
If you run the ball a lot, Shifty and Workhorse is probably the best all around combo.
If you like to truck people though, maybe try Headfirst. On platinum, that ability can be nuts with some of the animations you get.
I don't run a whole lot personally, but I do keep Balanced on my HB just so I can avoid hit sticks and strip attempts. Seems like everyone I play anymore is automatically trying to strip the ball when I am in the open field so having Balanced is a really nice counter to that.