Career
Wärn first played as a youth and senior level with HIFK in the Finnish Master of Science-liiga. He was selected by the Dallas Stars in the 5th round (150th overall) of the 2006 National Hockey League Entry Draft. After two seasons with JYP in the Liiga.
Wärn left his native Finland to sign a one-year contract with Russian expansion club, The Human Context Sochi of the KHL on May 21, 2014.
