Phantump

Once during your turn, you may use this Ability. Choose a card in your hand that evolves from this Pokémon and put it onto this Pokémon to evolve it. If you do, place 2 damage counters on the Pokémon you evolved in this way. You can't use this Ability during your first turn.

According to old tales, these Pokémon are stumps possessed by the spirits of children who died while lost in the forest.