One, are you suggesting an epic or something with the first idea? Also why a random color when hatched? If you're trying to encourage collecting them all, I'm pretty sure we're all struggling with habitat space already. I wouldn't support this idea. Or are you suggesting a dual type mythic? Cause I don't think any of the players would support that.
Second, an ice breathing dragon that freezes and controls? You're not elaborating on the freezes and controls. Freeze is already a form on control, and that just sounds like another frostwrath. You basically gave him the same name and typing. This just sounds like a worse frostwrath as frostwrath wasn't limited to freeze alone. So about this one I think it's just a rip off. Also why are you saying those look cool, no offense. Are you trying to act like another person posting and trying to influence other opinions?