Shuppet 75 / 102 Triumphant

Disable :

Flip a coin. If heads, choose 1 of the Defending Pokémon's attacks. That Pokémon can't use that attack during your opponent's next turn.

Haunt :

Put 1 damage counter on the Defending Pokémon.

It uses its horn to feed on envy and malice, or so it's said. It's very active at night.