Originally Posted by
rev27
I would think it will be hit and miss really. I assume it would work just by the fact you have formed a group that is ready for that dungeon and then if you are fast enough as random and no other tank joins or is in queue at that point to take your place you would join back into it perhaps.
That is assuming the OP has tested it enough for proof and wasn't just quite lucky each time getting the right dungeon, Would need someone to confirm or a bit more evidence but would be cool if true.