Mine has the ability Technician. It is EV trained more in its defensive stats. It knows:
Fake Out: Attacks first, high accuracy, causes flinching, STAb, power boosted by Technician.
Brick Break: Decent power, high accuracy, breaks through Light Screen and Reflect, deals with Rock and Steel types.
Payback: Used to deal with Ghost types, improved by Technician which also helps if Ambipom is attacked first.
Taunt: Stops the foe from using Stat moves.
ambipom learnset