If you have any Benched Pokémon and if there are any basic Energy cards attached to Ampharos, take 1 of those Energy cards and attach it to 1 of those Pokémon.
Thundershock
20 Damage
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
Disclaimer: The following data is based on sale history from a third party source. Data is updated about every 5 days. This data does not serve as a value guarantee.