Quick post today, I started seeing this term popping up and thought I would highlight it here. The word of course is "RevDar".
As far as I can tell, this is the term for an Eldar list that includes a Revenant Titan for games of 40k using the Escalation rules. Granted, at 900 points, this model does dominate what your list will look like. A Revenant and a few other things. Probably Jetbikes because they are cheap, fast, and Troops.
Oh Internet, you never cease to amuse me.