SubToxic Aerodactyl
Gen 8 NU

Aerodactyl @ Leftovers / Heavy Duty Boots
Ability: Pressure
EVs: 248 HP / 8 Atk / 252 Spe
Jolly Nature
- Substitute
- Toxic
- Rock Blast
- Roost
Yes, you saw correctly, SubToxic Aerodactyl. The ability is Pressure so you can make your opponent's PP run out more quickly. Substitute is so you can protect yourself from status such as poisoning. Toxic is to wear down opposing Pokemon. Rock Blast is STAB that hits multiple times, breaking sashes, sturdies, and subs, which especially helps against Substitute Glastrier variants. Roost is for healing which allows you to stay in the game longer.