Leap Year Dragon

Breeding
The, like Rainbow, can be bred by using a combination that contains at least four different elements at the Breeding Cave/Epic Breeding Island.

Any pair that has at least 4 elements has a chance to produce the, but beware that certain pairings, such as Panlong + Love, risk resulting in 24 or 36 hour times.  EXPIRED 

Earning Rates
Coin per minute: Level 1: 60 / Level 10: 400

Dragon Earning Rates without boosts.

Boost Calculation Guide to use with the page linked above.