Gengar

Should you feel yourself attacked by a sudden chill, it is evidence of an approaching Gengar. There is no escaping it. Give up.

Ability — Gnawing Curse: Whenever your opponent attaches an Energy card from their hand to 1 of their Pokémon, put 2 damage counters on that Pokémon.

Fade to Black (70): Your opponent’s Active Pokémon is now Confused.