Choose 1 of your opponent's Pokémon's attacks and use it as this attack. If this Pokémon doesn't have the necessary Energy to use that attack, this attack does nothing.
While it can transform into anything, each Ditto apparently has its own strengths and weaknesses when it comes to transformations.
Type
Attributes
Expansion
Number
Rarity
Release
Regulation
Formats
Energy Types
Species
HP
Retreat
Weakness
Resistance
Stage
Evolves From
Artist
Choose 1 of your opponent's Pokémon's attacks and use it as this attack. If this Pokémon doesn't have the necessary Energy to use that attack, this attack does nothing.