OMG! just found out how to get 3 element dragon 100% of time
here how
auruora dragon is green, purple, and blue
take first and last and switch: blue/green hybrid
then add the one in the middle: purple
i bred island and magic and got it on the first try
then i bred fairy and fire and got turkey on first try.
works 100% i think
try it out and comment on what u got