Mew-EX · XY Promos (XYP) #XY126

Ability ⇢ Versatile
This Pokémon can use the attacks of any Pokémon in play (both yours and your opponent’s). (You still need the necessary Energy to use each attack.)

{P} → Replace
Move as many Energy attached to your Pokémon to your other Pokémon in any way you like.