Coat of Frost

Action - Destroy this: Create a Frostbite token under target hero's control. Go again

A Frostbite token is an Elemental Aura with “Cards and activated abilities you control cost an additional . At the beginning of your end phase or when you play a card or activate an ability, destroy Frostbite “
You may target yourself with this ability.
Both players can respond to the ability before the Frostbite token is created.