Meganium

Ability · Overgrow

If this Pokémon's remaining HP is 50 or less, its attacks do 70 more damage to your opponent's Active Pokémon (before applying Weakness and Resistance).

G · G · C

Heal from this Pokémon the same amount of damage you did to your opponent's Active Pokémon.

Weakness: Fire · Resistance: none · Retreat: 3