Well I personally don't like getting in range of that thing. By which I mean the eyelander
the thing is you always have to be with a higher priority partner, like a medic or heavy
they'll dive in, try to chop up the medic/heavy/whatever higher priority target there is at the time, you set them on fire as they pass by, and then as they stop (after the shield bash) you bust out the axtinguisher and find your pal a medkit