I think using the abnormal status (Ailments/Charm/Stop) is quite old and not effective sometimes.
Personally, Just Chain & Clap.
I'm aware you talk about GL side but let me share my JP.
Team A:
4 Units have 100% resist to Ailments/Charm/Stop and Ayaka plus on Death resist.
Everyone 18K HP+, also MP refresh 100+. Even MP was drained to zero, next turn can use a full W/T-Cast.
The 5th unit(bonus) Just equip Edel' STM (stop resist).
Team B: Chain, That's it.
Another move is using Seifer LB (use Regis and Bart gives LB)
Inflict death (90%) or deal physical damage (48x) to all enemies
Good, but still not enough.