freeze dry is stab and super effective against common stall mons such as alomomola, gliscor and toxapex.

sheer cold can be used in case of emergency against opponents that may resist freeze dry, or as a last ditch attempt if your other pokemon do not match up well against the opponent. also useful against opponents that use machamp with fissure + no guard, as levitate prevents fissure and no guard also ensures that cryogonal will land the hit

flash cannon for coverage

recover and protect are generally useful moves to have, though rapid spin can also provide utility to let your team switch in safely

holds sash because cryogonal is quite frail in physical defense and has a somewhat low hp stat. this allows it to potentially fire off two sheer colds before dying or damage a faster opponent