Mine has the ability Hyper Cutter. It knows:
Earthquake: No need to say anything.
Stone Edge: High power, good chance for critical hit, used to deal with Ice types. Also deals with Flying types.
Roost: Heals Gliscor.
Ice Fang: Decent power, decent accuracy, chance to freeze or cause flinching, type coverage. Deals with Dragon, Flying, Ground, and Grass types.