To add this specific card, navigate to the set and checklist created. Click on NNO (this is the card number, NNO here because it has No Number On. Scroll down you will see an orange heading that says Collection. Select the down arrow and "Add Another to Collection."
This is the easiest way for this single card. As you explore checklists you will see that there are far easier ways to add multiple cards at a time. To add a scan of the card, scan both sides of the card and click on Card Front Not Available. Upload. Since you are new your scan will go to a queue to be reviewed and cropped if needed. If it passess it will appear in the near future.
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