Get a bunch of snow-covered pine trees. Enough to make a roving hazard...trees that move, Huorn style. Or have a big ‘ole Treeman model in the midst of them. He can hurl burning pine cones at all and sundry. And the little trees can be his minions.
He is out for revenge, he’s kept a list, he’s checked it thrice, on it is the name of everyone that has ever taken a Yule Log, ...which wasn’t nice.