(IA) Iron Age: 8 Ballista

or 2 archers + 6 Rogues

(EMA) Early Middle Ages: 2 Armoured Infantry + 6 Rogues

(HMA) High Middle Ages: 2 Champions + 6 Rogues

(LMA) Late Middle Ages: 2 Imperial Guard + 6 Rogues

or 2 Heavy Knights/Champions + 6 Rogues if you’re up against at least 2 Cannons

(CA) Colonial Age: 2 Grenadiers + 6 Rogues

or 2 Dragoons/Champions + 6 Rogues if you’re up against at least 2 Field Guns

(InA) Industrial Age: 2 Howitzers + 6 Rogues

(PE) Progressive: 8 Rapid Fire Cannons

or 2 Tanks + 6 Rogues when high attrition

(ME) Modern: 2 Battle Tanks + 6 Rogues

(PME) Post Modern: 2 MG Team + 6 Rogues

(CE) Contemporary: 2 Champions + 6 Rogues

or 2 Anti-Air + 6 rogues

or 8 Helicopters

(TE) Tomorrow: 2 Stealth Tanks + 6 Rogues

or 8 Combat Drones

(FE) Future: 1 Hover Tank + 7 Rogues

(AF) Arctic Future: 2 Hover Tanks + 6 Rogues

(OF) Oceanic Future: 1 Sub Cruiser + 1 Turturret + 6 Rogues

or 8 Hydroelectric Eel

or 2 Hover Tanks + 6 Rogues

(VF) Virtual Future: 8 Rocket Troops

or 2 Ronin Bots + 6 Rogues

(SAM) Space Age Mars: 2 Steel Warden + 6 Rogues

or 8 Sentinels

(SAAB) Space Age Asteroid Belt: 2 Nail Storms + 6 Rogues

(SAV)Space Age Venus: 2 Power Dragons + 6 Rogues

or 8 Energy Cannon

SAJM: 2 harpoons+ 6 rogues

SAT: 2-4 Permafrost drones (or 8 ) + rogues.
If there are no perma in the opposing army -> 8 hyper orbital artillery.