Snowflake Dragon

Obtaining
The first and second s are the fourth and seventh rewards collected by accumulating a total of 1,140 and  5,520, respectfully, totaling to  2,640, during  Season of Goodies.

When a certain amount of iceberries were collected and turned in at the Crystal Castle, a message card would pop up to inform players that the could be collected from the "Gifts" section in the Social Menu. When a player collected the from the section, the egg was placed directly into the Nursery. Players then had an option to hatch, display, or sell the.

The third and fourth s can be bred using the first two s, in either order, at the Breeding Cave/Epic Breeding Island.

Earning Rates
Coin per minute:

First and Second Snowflake Dragons

Third and Fourth Snowflake Dragons

Dragon Earning Rates without boosts.

Boost Calculation Guide to use with the page linked above.