Normal proceedings of the FATE grinding DoM:

Hah! Untagged mob. Brilliant.
Tab. Nope.
Tab. Nope.
Ok, it's tagged now, no matter.
Tab. Nope, damnit.
Tab, tab, tab. Nope, yep, one too many there, curses.
Tab. Nope.
Think I'll try clicking instead.
Click. Nope.
Click. Nope.
Click. Not interested in targeting that melee guy there, no.
Click. GOT IT. However, it's nearly dead.
Maybe I'll get this spell off in time.
Nope.

Hah! Another untagged mob. Brilliant!
Tab...