SM Black Star Promos set of Sun & Moon series

Ash's Pikachu
Basic
HP70
Evolves From:
Evolves To:RaichuPokédex No.25
Agility
Flip a coin. If heads, prevent all effects of attacks, including damage, done to this Pokémon during your opponent's next turn.
Thunder
Flip a coin. If tails, this Pokémon does 20 damage to itself.