ITT We post some good sets we've seen for gen 7.

Porygon-Z @ Normalium Z
Ability: Adaptability
EVs: 252 HP / 252 SpA / 4 Spe
Modest Nature
IVs: 0 Atk
- Thunderbolt
- Conversion
- Ice Beam
- Recover

z move conversion on top of adaptability boosted t-bolt is pretty good.

http://play.pokemonshowdown.com/battle-gen7ou-479041451