Froslass ex (Paradox Rift 003/182)
Ability Evanescent

If this Pokémon is in the Active Spot and is Knocked Out, flip a coin. If heads, your opponent takes 1 fewer Prize card.

Water Water
Frost Bullet

This attack also does 20 damage to 1 of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched 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.