Winner will receive a 1-year lease on a Mercedes-Benz. Must be age 21 or older. Must present valid mychoice card and valid government photo ID. Non-transferable. Non-negotiable. Valid for a limited time at Ameristar St. Charles, MO and River City. Management reserves the right to cancel, change or modify this promotion at any time in accordance with State Gaming Regulations. Other restrictions may apply. See mychoice Center for details and official rules. Offer not valid for persons on a Disassociated Patrons, Voluntary Exclusion or Self Exclusion List in jurisdictions which Pinnacle Entertainment operates or who have been otherwise excluded from the participating property. Gambling problem? Call 1-888-BETSOFF. ©2018 Pinnacle Entertainment, Inc. All Rights Reserved.