Espathra ex (Paldean Fates 006/091)
Ability Dazzling Gaze

As long as this Pokémon is in the Active Spot, attacks used by your opponent's Active Pokémon cost Colorless more.

Psy Ball

This attack does 30 more damage for each Energy attached to both Active Pokémon.

Card rule

As long as this Pokémon is on your Bench, prevent all damage done to this Pokémon by attacks (both yours and your opponent's).

Card rule

When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.