Target has Super Mario 3D Land for $ 13.99 + 5% and free shipping with Red Card. Otherwise free shipping on orders $ 35 and over.
I had this waiting for pickup at $ 16.69 from last week when I saw the price dropped even further.
Amazon also has this for $ 13.99 with free shipping for Prime members:
Walmart has it as well with free shipping on orders over $ 35: