Sinistcha

AbilityHide 'n' Sneak

Prevent all effects of your opponent's Pokémon's attacks and Abilities done to this Pokémon. (Damage is not an effect.)

If you have 6 or more Pokémon that have the Hide 'n' Sneak Ability in your discard pile, place 4 damage counters on each of your opponent's Pokémon.