Land sakes!

(for) land('s) sake(s) (alive)

old-fashioned A mild exclamation of surprise, alarm, dismay, annoyance, or exasperation. Primarily heard in US. Land sake, look at the time! How is it nearly midnight already? For land's sake, Bill, would it kill you to take out the trash once in a while? Land sakes alive, that cyclist nearly hit me!
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

Land(s) sakes (alive)!

 and Sakes alive!
Rur. My goodness! (A mild oath.) Lands sakes! I sure am glad to get home! Sakes alive! Can't you even set the table without making a fuss?
See also: land
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also:
References in classic literature ?
"Land sakes!" cried Aunt Em, impatiently; "what's all this rigmarole about?"
The tourism authorities could adopt a somewhat retro slogan: "Land Sakes! Sand Lakes!"