Christ became an active politician in 2012 when she joined Green Liberal Party. Between 2014 and 2020, she was a member of the Grand Council of Baselrepresenting the GLP. She became GLP president in Basel-Stadt and a national board member of the party in 2016. Between 2018 and 2019, she served as a member of the residents’ council of the municipality of Riehen and was elected to the council’s committees on Audit, Family and Education. She was elected to the National Council on 20October 2019 and was inaugurated to the council on 2 December same year. At the council, she serves on the Audit and Transportation and Telecommunication committees. On 15 December 2019, she resigned from her positions in the Residents’ Council and the greater Council as sittings in both councils are held same time with National Council making it impossible to attend all sittings.