Heracross-Mega @ Heracronite  
Ability: Moxie  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Pin Missile  
- Close Combat  
- Rock Blast  
- Earthquake  

Hydreigon @ Choice Scarf  
Ability: Levitate  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Draco Meteor  
- Dark Pulse  
- U-turn  
- Defog  

Hatterene @ Rocky Helmet  
Ability: Magic Bounce  
EVs: 252 HP / 204 Def / 52 Spe  
Bold Nature  
- Psychic Noise  
- Draining Kiss  
- Nuzzle  
- Pain Split  

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

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