Amber Waves of ... Amber?
The key difference here from the LFR version is that those who get turned into Amber Monsters have to free themselves once enough damage is suffered.
In prior patches, it also would have been really important for those so transmogrified to hit the boss regularly to maintain the debuff on him.
Fortunately, our sheer gear-driven überness allowed us to overcome all bug resistance!
Cyradis, Epsilonp, Foram, Krònòs, Leahna, Lotte, Mirenna, Prymusunum, Ravenbane and Shaada