Bulwark: Fires of Fury

From publisher description: Heroic Co-operative Deck-Building! Armies boast about their strength and courage, but none are so fool-hardy as to boast that they could fight a dragon. You're tougher than an army, though, right? More Options Fires of Fury is a Foe deck with particularly powerful crown Foes. Although you don't have to kill them at first, they inflict damage on their way past and at the climax of the game they all appear at once.