Exhibit 23.8
Consent of Independent Auditor
We consent to the incorporation by reference in this Registration Statement on FormS-8 of Magnolia Oil and Gas Corporation of our report dated May 9, 2018 relating to the statement of revenues and direct operating expenses of the certain assets of GulfTex Energy III, LP and GulfTex Energy IV, LP appearing in the Schedule 14A Proxy Statement filed by Magnolia Oil and Gas Corporation on July 2, 2018.
/s/ RSM US LLP
San Antonio, Texas
October 5, 2018
