Walrein

Cold Snap60

Your opponent can’t play any Trainer cards from their hand during their next turn. If 1 of your Pokémon used Cold Snap during your last turn, this attack can’t be used.

Blizzard120

This attack does 10 damage to each of your opponent’s Benched Pokémon. (Don’t apply Weakness and Resistance for Benched Pokémon.)