Omastar 43

Flip a coin. If heads, this attack does 10 damage plus 20 more damage and the Defending Pokémon is now Paralyzed. If tails, this attack does 10 damage. Damage: 10+

Flip a number of coins equal to the number of Water Energy attached to Omastar. This attack does 20 damage plus 20 more damage for each heads. Damage: 20+