UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16
Under the Securities Exchange Act of 1934

For: May 21 to 25, 2007

MAG Silver Corp.

(SEC File No. 0-50437)

328 – 550 Burrard Street, Vancouver BC, V6C 2B5, CANADA

Address of Principal Executive Office

The registrant files annual reports under cover:

Form 20-F  [X]

       Form 40-F   [   ]

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  [    ]

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  [    ]

Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:   Yes  [    ]   No [X]

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-                   

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Exhibit List

99.1        Material Change Report

99.2        News Release

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

MAG Silver Corp.

Date: 28 May 2007

“Daniel MacInnis”

DANIEL MACINNIS

CEO

FORM 6K – May 29, 2007

MAG Silver Corp.