If you try to get Bruce Banner onto the battlefield early, as a 1/1 creature with a semi-decent card draw ability, he's unlikely to survive long
They also typically turn a lot of your top end into cards that can win the game on their own rather than needing you to find another big thing
Lochmere Serpent 4UB Creature Serpent 7/7 Flash U, Sacrifice an Island: Lochmere Serpent can't be blocked this turn
Judith is so potent that you can just get stuck right in with your stuff and be nicely ahead
Lazotep Reaver and Orzhov Enforcer work well with Priest of Forgotten Gods but both are otherwise underwhelming
In addition, its ATK/1200 and DEF/2500 are a reference to the Christmas date 12/25 and its appearance is inspired by Krampus, a mythological creature that accompanies Saint Nicholas during the Christmas season, according to legends from various regions of the world