The registrant files annual reports under cover:

Form 20-F ¨

Form 40-F þ

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 þ

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.

Exhibits

99.1

Short Form Prospectus dated May 10, 2010

99.2

Auditors’ consent letter 

99.3

Consent letter of issuer’s legal counsel -Lawson Lundell LLP

99.4

Consent letter of underwriters’ legal counsel

99.5

Consent letter(s) of other expert(s) - Dominic Chartier, P.Geo.

99.6

Consent letter(s) of other expert(s) - Glen Cole, P.Geo.

99.7

Consent letter(s) of other expert(s) - Jean-Francois Couture, Ph.D., P.Geo

99.8

Consent letter(s) of other expert(s) - Hassan Ghaffari, P.Eng.

99.9

Consent letter(s) of other expert(s) - Brad Leonard, M.Sc., P.Geo.

99.10

Consent letter(s) of other expert(s) - Dr. Peter Megaw, Ph.D, C.P.G.

99.11

Consent letter(s) of other expert(s) - William E. Roscoe, Ph.D., P.Geo.

99.12

Consent letter(s) of other expert(s) - David A. Ross, M.Sc., P.Geo.

99.13

Consent letter(s) of other expert(s) - Julie Selway, Ph.D., P.Geo.

99.14

Consent letter(s) of other expert(s) - S. Byron Stewart, P.Eng.

Date:

May 12, 2010

MAG Silver Corp.

“Dan MacInnis”

DANIEL MACINNIS

CEO