[PKM] Giovanni's Machoke (42/132) [Gym Challenge Unlimited]

Flip a coin. If tails, this attack does no damage to the Defending Pokémon and Giovanni's Machoke does 100 damage to itself.

Flip a coin. If heads, this attack does 20 damage plus 20 more damage and the Defending Pokémon is now Paralyzed. If tails, this attack does 20 damage.