I just bought all the sanrio x animal crossing amiibo cards and I just found out they're the only AC amiibo's that aren't compatible in NH. Why nintendo, they were so expensive :( :
Amazon.com: Nintendo Animal Crossing Amiibo Cards - Sanrio Collaboration 1 Pack 2 Cards : Video Games
Amazon.com: 6 pcs Sanrio Mini Cards Compatible with for Animal Crossing New Horizons Mini Card for New Villager, 1 player : Video Games