You may have given this a try already, but for those of you that didn’t know – some of the Animal Crossing amiibo cards can not only be used in Animal Crossing: Happy Home Designer, but they can also be used in Super Mario Maker to unlock costumes.
The following cards will work in Super Mario Maker:
- Tom Nook
- KK Slider
You can buy packs which contain 3 amiibo cards each at various stores and from Nintendo directly.