Armored Mewtwo

Ability: 5x Protection

All attacks by the opponent's pokemon will have -50 damage

Fault rays

All the opponent's Pokémon and 1 of yours will receive 200 damage, flip a coin, if heads, Armored Mewtwo will be left with 50 health and will not be able to use the "5x Protection" ability, otherwise this Pokémon will be defeated.