Saw this at local stores, to stack with this $20 deal.
I don't know exactly how it works, as there's no staff at that booth when I went to my local, but should be nationwide (and like many, I already took the offer from the other deal above)
"Gift card offer starts 09/11/23 and ends 12/11/23. To qualify for the gift card, new members must complete the sign-up process for an annual OnePass membership and show Team Member at this stand that the mobile verification step has been completed.
So it's basically $10 for an annual membership if you were gonna spend $10 at target anyways? value.