The Winter War

The next time a source of your choice would deal damage to you this turn, prevent that damage. If damage is prevented this way, The Winter War deals that much damage to that source's controller.

Battle (When you attack with 3 or more creatures, you may exile this card from your graveyard. If you do, you may cast it from exile for
as long as it remains exiled. Spells cast this way is exiled instead.)