Banette

Shadow Steal (10+): Does 10 damage plus 20 more damage for each Special Energy card in your opponent's discard pile.

Darkness Chant: Count the number of Basic Pokémon or Evolution cards in your discard pile. Put that many damage counters on the Defending Pokémon. You can't put more than 6 damage counters on the Defending Pokémon in this way.