Poké-PowerPsychic Vision
Once during your turn (before your attack), if Mew ex is on your Bench, you may look at your opponent's hand.
Super Psy Bolt30
Devo Crush50
You may discard 2 Energy attached to Mew ex. If you do, you may remove the highest Stage Evolution card from the Defending Pokémon and shuffle that card into your opponent's deck.