Discard a Psychic Energy attached to Froslass. During your opponent's next turn, if Froslass would be Knocked Out by damage from an attack, the Attacking PokÃ©mon is Knocked Out.
Icy Breath 40
The Defending PokÃ©mon is now Asleep. Put 1 damage counter on each of your opponent's Benched PokÃ©mon.