Ability
Screen Cleaner
On switch-in, the effects of Aurora Veil, Light Screen, and Reflect end for both sides.
Team protection Aurora Veil
Can only be used in snow. Lasts 5 turns (8 with Light Clay). Your team takes 0.66× damage from physical and special attacks in Doubles (half in Singles). Doesn't stack with Reflect or Light Screen. Critical hits ignore it; Brick Break, Psychic Fangs and Defog remove it.
Team protection Light Screen
Lasts 5 turns (8 with Light Clay). Your team takes 0.66× damage from special attacks in Doubles (half in Singles). Critical hits ignore it; Brick Break, Psychic Fangs and Defog remove it. Doesn't stack with Aurora Veil.
Team protection Reflect
Lasts 5 turns (8 with Light Clay). Your team takes 0.66× damage from physical attacks in Doubles (half in Singles). Critical hits ignore it; Brick Break, Psychic Fangs and Defog remove it. Doesn't stack with Aurora Veil.
Pokémon with Screen Cleaner (1)
"hidden" means it is that form's hidden ability. Megas have a fixed ability.
Data: Pokémon Showdown (smogon/pokemon-showdown) · commit d601443 · Data & methodology