Regice ☆ (EX Legend Maker 90/92)
Ice Barrier

Prevent all effects of an attack, including damage, done to Regice ☆ by your opponent's Pokémon-ex during your opponent's next turn.

Water Water Colorless
Final Blizzard

If your opponent has only 1 Prize card left and Regice ☆ is the only Pokémon you have in play, this attack does 30 damage to each of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)

Card rule

You can't have more than 1 Pokémon ☆ in your deck.