Flip a coin. If heads, Koga's Ditto's maximum HP is now 80 and Koga's Ditto's Pound attack's base damage is 30 instead of 10. (Benching Koga's Ditto ends this effect.)
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.