Santa is an aggressive hero who seeks to convert his slight amount of economy and control into even more dmg in order to close out the game as quickly as possible.

Despite his awful defense and awkward roll objectives he threatens to kill his opponent as early as turn 5 if everything goes well and his powerful Ult lets him dish out tons of dmg if his opponent can't stop him. 

Unfortunately he's very easy to stop and will grind to a halt without a good dose of luck but Santa's for you if you want to put on the pressure in a unique way.