Gogoat

It can tell how its trainer is feeling by subtle shifts in the grip on its horns. This empathetic sense lets them run as if one being.

Ability — Sap Sipper: This Pokémon’s attacks do 80 more damage to your opponent’s Grass Pokémon (before applying Weakness and Resistance).

Horn Leech (80): Heal 20 damage from this Pokémon.