I had an idea for a pair and this seems to be the best place to ask about it. It goes:
Porygon-Z @ Life Orb, Modest
252 HP/4 Def/252 SpA
-Round
-Shadow Ball
-Ice Beam
-Recover
Alakazam @ Leftovers, Timid
4 HP/252 SpA/252 Spe
-Round
-Psychic
-Focus Blast
-Substitute
The idea...