Leap Year Dragon

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

Any pair that has at least 4 elements has a chance to produce LYD, 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