Taunt, Imprison (Dark Pulse, Shadow Ball, Protect), Payback
IF Porygon Z is under the effects of Magic Coat when you would use Taunt, THEN Imprison (Dark Pulse, Shadow Ball, Protect) on the first instance, Payback on subsequent instances, replace Imprison in the main order set with Payback, and push back actions.
IF Porygon Z is under the effects of a P/E move when you would move, THEN Future Sight on the first instance, Feint Attack on the second and push back actions.