Marco tried it safely:
For those who don't want to manage piles of NFC cards, hardware devices like the N2 Elite or Amiibo Loop provide a sophisticated solution. These are small, puck-shaped devices that can store dozens of .bin files at once. They function like a digital wallet; you navigate through your stored Amiibo on your phone, "load" one onto the device, and the device simulates that Amiibo when touched to the Switch. Amiibo Backup .bin Files