Tactics for fighting neutral creatures when playing as the Academy.

Yes, against all neutral Warlocks, except for Mages, Obsidian Golems under the control of Razzak, who knows Lightning, would be the ideal choice. Nazir is also good, but in the early stages, his spell deals little damage, and enemy Warlocks will likely have several stacks and move before the hero. Another good option is Obsidian Gargoyles; they will reach the target faster but will take more damage.