Metal Dragon

Obtaining
The is the eighth basic dragon in the game. It is available in the Market for 1,000,000.

Alternatively, the can be bred by selecting either a  or a Plant Dragon to mate with a Malachite Dragon.

Earning Rates
Coin per minute: Level 1: 3 / Level 10: 19

Dragon Earning Rates without boosts.

Boost Calculation Guide to use with the page linked above.