Crobat

Both of its legs have turned into wings. Without a sound, Crobat flies swiftly toward its prey and sinks its fangs into the nape of its target's neck.

Ability — Cunning Link: Once during your turn, if you have Arceus or Arceus ex in play, you may do 30 damage to your opponent's Active Pokémon.

Darkness Fang (50)