Eurocomp = resto druid, discipline priest, lock, mage, rogue
THis is a 2 healer group.
They are really tough because they CC the hell out of you. Heres the list that keeps you locked down Cyclone,Cheap Shot, Sap, Blind, 2XFear, Deathcoil, Warlock Pet Silence, Counterspell, and Sheep.
The rogue usually opens up like Ellay talks about in this video. The others then zerg to CC the group, usually followed by a fear bomb to disorient the group then a cyclone on the healer. In the meantime the Mage is winding up to nuke you down. Re-applying Grounding totems is not an option at this point because the Water Elemental, Moonfire, Ice Lance make quick work of them. Not to mention that theres probably another fear on its way. But amazingly its UBER easy to beat. Put some pressure on the rouge to distract healing before the mage and fear bombs arrive. The first chance you get I trinket out of whatever damn CC they had going on and purge nuked the mage. Its all over from there. A very chaotic fight, but ones the mage is gone they've got nothing.
As Ellay has pointed out on the 3 healer groups, your main concern is DPS. Drop the 1 DPS and be aware of potential resurrections and its gg. Theyre going to send in the Wariror first, So I usually cast the usual opener Lightning Bolt, Chain Lightning, Frost Shock (I dont like melee running around me). Against this group unless the warrior isnt geared theres a great chance he's still alive...Purge purge purge. As the healers move In I cast one set of lightning bolts at the shaman (hes the softest, and the grounding totem is annoying every 15s), Two things happen at this point. The shaman usually runs, the other healers heal him. This is the moment of opportunity to purge nuke the hunter or warrior. Your healer should have no problem keeping you up in this fight, but throw in a heal if you need to. Purging against these targets does some nasty damage, they're losing thousands of HP because of the MoW, Fort, and Kings buffs. Once a DPS is down, heal if you need to and stop drop the searing totems to mitigate res attempts. If youre OOM, which happens if thiings dont go perfectly to plan, go drink or wait on regen. 1 Dps will have a hell of a time killing you with all your totems down and healer up.
Thats just how I've been doing it and its working like a charm. Watch Ellay's video if you havent, he goes over all this...priceless I tell you PRICELESS!!!!