The Underused

[HydroLucario]

Slowbro @ Leftovers
Ability: Regenerator
EVs: 252 Def / 252 HP / 4 SAtk
Bold Nature
- Scald
- Psyshock
- Thunder Wave
- Slack Off
Aerodactyl @ Aerodactylite
Ability: Unnerve
Shiny: Yes
EVs: 252 Spd / 252 Atk / 4 HP
Adamant Nature
- Hone Claws
- Stone Edge
- Earthquake
- Crunch
Forretress @ Rocky Helmet
Ability: Sturdy
EVs: 252 Def / 252 HP / 4 SAtk
Bold Nature
- Stealth Rock
- Rapid Spin
- Volt Switch
- Spikes
Amoonguss @ Black Sludge
Ability: Regenerator
EVs: 252 HP / 252 Def / 4 SDef
Bold Nature
- Clear Smog
- Giga Drain
- Spore
- Hidden Power [Fire]
Rotom-Heat @ Choice Specs
Ability: Levitate
Shiny: Yes
EVs: 252 SAtk / 252 HP / 4 SDef
Modest Nature
- Hidden Power [Ice]
- Trick
- Volt Switch
- Overheat
Porygon2 @ Eviolite
Ability: Download
EVs: 252 SAtk / 252 HP / 4 SDef
Modest Nature
- Tri Attack
- Ice Beam
- Thunderbolt
- Recover