As Terran
Make:
Viking
Ghost
ThorSnipe or Viking focus before Broodlings trap the ground army.
Open in the counter tool with Brood Lord tagged ->As Protoss
Make:
Tempest
Carrier
High TemplarRange and Storm stop Broods from getting a free siege.
Open in the counter tool with Brood Lord tagged ->As Zerg
Make:
Corruptor
Viper
InfestorAbduct Broods out of the Spore field and Fungal the Corruptors.
Open in the counter tool with Brood Lord tagged ->
Zergling
Baneling
Roach
Ravager
Queen
Hydralisk
Lurker
Mutalisk
Overlord