On April 19 Nicalis, Inc teased that a The Binding of Isaac amiibo may be on its way. The team put up a Tweet with a picture of what an Isaac amiibo would look like, details below.
— Nicalis, Inc. (@nicalis) April 19, 2017
There are no other details as of yet but a The Binding of Isaac amiibo seems very likely indeed. Since the launch of the Nintendo Switch developers Nicalis Inc have been very friendly with Nintendo even releasing The Binding of Isaac Afterbirth+ on the system in March.
The Binding of Isaac is a top-down dungeon crawler rouguelike which originally released back in 2011. Since then it has gained a cult following and several releases as a result.