If I use Team Rocket's Persian ex's "Haughty Order" attack, do I have to pay the Energy cost of the attack I chose?
No, you only have to pay the attack cost of Haughty Order.
Haughty Order




×2
Haughty OrderReveal the top 10 cards of your opponent's deck. You may choose an attack from a Pokémon you find there and use it as this attack. Shuffle the revealed cards into your opponent's deck.


Cruel SlashYour opponent's Active Pokémon is now Confused.
Pokémon ex rule
When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.
If I use Team Rocket's Persian ex's "Haughty Order" attack, do I have to pay the Energy cost of the attack I chose?
No, you only have to pay the attack cost of Haughty Order.