Thundershock
Cost: Lightning (10)
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
Fly
Cost: Colorless, Colorless, Colorless (30)
Flip a coin. If tails, this attack does nothing. If heads, prevent all effects of an attack, including damage, done to Flying Pikachu during your opponent's next turn.
By learning how to fly, Pikachu overcame its weakness to Fighting Pokémon.