From Gaming Reinvented I have learned that Nintendo has made public what uses will the special 30tyh Anniversary 4 Amiibos (NES Link, OoT Adult Link, Toon Link, Toon Zelda) will have for Breath of the Wild.
According to NoA's Tumblr:
- 8-bit Link will reward you with a random number of barrels. You might find rupees inside too!
- Ocarina of Time Link will reward you with a random amount of meat.
- Toon Link will reward you with a random amount of fish.
- Wind Waker Zelda will reward you with a random selection of plants.
The also claim that they will give 'random items' but no specification of what kind.
Based on their gif it will basically make the stuff fall from the sky:
I'll definitely would love to try and make it fall on the head of a mokoblin or something.