You had to choose Fang, didn't you?
Rory and Dark Death, lets do this.
Rory: Dig (stay underground) ~ Stay underground ~ Dig (attack) @ Fang
SUB: IF Fang uses Dig A1, THEN use an earthquake + earthquake combo instead and Dig on A3.
Dark Death: Perish Song ~ 20 HP sub ~ Thunder Wave @ Fang
SUB: IF either pokemon use protect on A1, THEN switch A1 and A2 around.