My Black Kyurem knows these moves.
Role: Physical Sweeper
EV's: 252 Atk, 252 Spd, 4 HP
Held Item: Leftovers
Outrage - STAB, good power, high accuracy
Dragon Claw - STAB, good move, good PP
Freeze Shock - Great power, STAB
Fusion Bolt - High Power and accuracy
I used this moveset to battle a White Kyurem, but it can be used for other battles too.