Animal Crossing amiibo Festival is free, retail version comes bundled with 2 amiibos and 3 amiibo cards

[PenguinZ]

Tlozjb said:
And not only that, but because you need the amiibo to play, the game itself will be free so that you do not have to spend both on the game and the amiibo!

http://nintendoeverything.com/animal-crossing-amiibo-festival-is-free-to-download/

I figured as much when I first saw the game.