Naganadel GX

Colorless · This attack does 20 damage for each of your Ultra Beasts in play.

Psychic, Colorless, Colorless · This attack's damage isn't affected by Weakness or Resistance.

Colorless, Colorless, Colorless · Both players shuffle their Prize cards into their decks. Then, each player puts the top 3 cards of their deck face down as their Prize cards. (You can't use more than 1 GX attack in a game.)