Trevenant

Using its roots as a nervous system, it controls the trees in the forest. It's kind to the Pokémon that reside in its body.

Ability — Nervous Seed: As long as this Pokémon is your Active Pokémon, your opponent's Basic Pokémon's attacks cost Colorless more.

Energy Press (70+): This attack does 10 more damage for each Energy attached to your opponent's Active Pokémon.