SUPPLEMENTALINDENTURE MTR GAMING GROUP,INC., as Issuer and THE GUARANTORS NAMED HEREIN 9% SENIORSUBORDINATED NOTES DUE 2012 SupplementalIndenture Dated as of June 15, 2007 Supplementing theIndenture Dated as of May 25, 2006 (as supplemented as of June 1, 2007) WELLS FARGO BANK,N.A., as Trustee

Exhibit 4.2

SUPPLEMENTAL INDENTURE

MTR GAMING GROUP, INC.,
as Issuer

and

THE GUARANTORS
NAMED HEREIN

9% SENIOR SUBORDINATED NOTES DUE 2012

Supplemental Indenture
Dated as of June 15, 2007

Supplementing the Indenture
Dated as of May 25, 2006
(as supplemented as of June 1, 2007)

WELLS FARGO BANK, N.A.,
as Trustee

SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of June 15, 2007 (the “Effective Date”), among MTR Gaming Group, Inc., a Delaware corporation (the “Issuer”), the guarantors executing this Supplemental Indenture (the “Guarantors”) and Wells Fargo Bank, N.A., as trustee (the “Trustee”), under the Indenture dated as of May 25, 2006, as supplemented on June 1, 2007 (the “Indenture”). Capitalized terms used herein and not otherwise defined shall have the respective meanings ascribed to them in the Indenture.

W I T N E S S E T H:

WHEREAS, MTR, the Trustee and the Guarantors have heretofore executed and delivered the Indenture providing for the issuance by the Issuer of 9% Senior Subordinated Notes due 2012 (the “Notes”);

WHEREAS, MTR has solicited consents from the Holders of the Notes to certain proposed amendments to the Indenture, in accordance with the terms and conditions of a Consent Solicitation Statement, dated June 4, 2007 (the “Solicitation Statement”);

WHEREAS, Section 9.2 of the Indenture provides that, with the consent of the Holders of a majority in aggregate principal amount of the Notes then outstanding, voting as a single class, the Issuer, the Guarantors and the Trustee may amend or supplement the Indenture and the Notes in accordance with Section 9.2 of the Indenture;

WHEREAS, the Holders of a majority in aggregate principal amount of the outstanding Notes have duly consented to the proposed amendments set forth in this Supplemental Indenture in accordance with Section 9.2 of the Indenture;

WHEREAS, the Issuer has heretofore delivered or is delivering contemporaneously herewith to the Trustee (i) copies of resolutions of the Boards of Directors of the Issuer and the Guarantors authorizing the execution of this Supplemental Indenture, (ii) evidence of the written consent of the Holders set forth in the immediately preceding paragraph, and (iii) the Officers’ Certificate and the Opinion of Counsel described in Section 12.4 of the Indenture; and

WHEREAS, all other acts and proceedings required by law and the Indenture necessary to authorize the execution and delivery of this Supplemental Indenture and to make this Supplemental Indenture a valid and binding agreement for the purposes expressed herein, in accordance with its terms, have been complied with or have been duly done or performed.

NOW, THEREFORE, in consideration of the foregoing and notwithstanding any provision of the Indenture which, absent this Supplemental Indenture, might operate to limit such action, the parties hereto, intending to be legally bound hereby, agree as follows:

ARTICLE ONE

AMENDMENTS

SECTION 1.01. Amendment of Definition of “Permitted Indebtedness.” Paragraph (g) is hereby added to the definition of “Permitted Indebtedness” contained in Section 1.1 of the Indenture entitled “Definitions,” to read as follows: