I think it would be awesome if there were some combinations of breeded dragons. Like this:
Refrostion Dragon(Chrome plus Ice)Edit
Habitats:Metal, Large Metal, Air, Large Air, Cold, Large Cold, Water and Large Water.
Coins P/MIN: 35, + 20 for each level
Breeding chances:If you breed Chrome and Ice dragons, you have a 1 in 50 chance of getting it. It costs in the market 34,000 Gems or 1,000,001 coins.
Unlocked: Level 25
Incubation time: 34 hours