Hoopa-Unbound @ Assault Vest  
Ability: Magician  
EVs: 252 HP / 64 Atk / 120 SpA / 56 SpD / 16 Spe  
Lonely Nature  
- Hyperspace Fury  
- Psychic Noise  
- Thunderbolt  
- Drain Punch  

Hydrapple @ Dragonium Z  
Ability: Regenerator  
Shiny: Yes  
EVs: 240 HP / 248 SpA / 20 Spe  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Giga Drain  
- Recover  
- Nasty Plot  

Hawlucha @ Rocky Helmet  
Ability: Mold Breaker  
EVs: 252 HP / 20 Atk / 228 Def / 8 Spe  
Jolly Nature  
- Close Combat  
- Brave Bird  
- Roost  
- Defog  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 248 HP / 220 SpD / 40 Spe  
Calm Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Taunt  
- Protect  

Hippowdon (F) @ Leftovers  
Ability: Sand Stream  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Earthquake  
- Toxic  
- Slack Off  
- Stealth Rock  

Houndstone @ Choice Band  
Ability: Sand Rush  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Poltergeist  
- Play Rough  
- Shadow Sneak  
- Trick