Twilight Explosion:Have someone in the raid with the Blackout debuff explode in the twilight realm
Itty Bitty Elemental Commitee:Defeat the Twilight Ascendant Council while everyone in the raid has his/her size reduced by Noggenfogger Elixir
MC Hammer:Use a Hammer of Justice to interupt worshipping on someone within 3 seconds of Cho'Gall saying "Stop.Hammertime"
BWD:
Parasite Paracide:Have everyone in the raid getting afflicted by a parasite at least once,and then defeat Magmaw
Omnomnom Defense System:Defeat ODC while always keeping a Seafood Magnifique Feast in a 20 yd range of each active bot(not sure if you can spawn them in combat,if you cant,this wont be very possible unless the raid has very very high DPS)
You Fail at Failing:Have the raid getting hit by a Blast Nova during the 4-second window between the Electricute emote and the actual Crackle and then kill Nefarian
TotFW:
Conclave of Wind,Literally:Defeat the Conclave of Wind without anyone standing on a platform at the time of their demise
Burst in the Wind:Have the entire raid get hit by Wind Burst three(or four) times before Al'Akir reaches less than 81% health