Half Silver Dragon

Through birth rite or happenstance you are half Silver dragon. 

• You learn to speak, read and write draconic
• You gain resistance to cold damage
• As an action you can exhale a cone of freezing cold. Each creature within a 15ft cone must make a DC 15 Constitution saving throw or take 5d6 cold damage or half as much on a successful saving throw. You regain the ability to do so when you take a short of long rest. 
• As an action you can exhale a cone of paralyzing breath. Each creature in 1 15ft cone must make a DC 15 constitution saving throw or be Paralyzed for 1 minute. A creature can repeat its saving throw at the end of its turns, ending the effect on a success. You regain the ability to do so on a short or long rest.