Poké-POWER Psychic 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
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.
When Pokémon-ex has been Knocked Out, your opponent takes 2 Prize cards.