Draconic bloodline extended

You manifest claws reminiscent of your draconic ancestors. You gain the following benefits:

• You grow retractable claws from the tips of your fingers. Extending or retracting the claws requires no action. The claws are natural weapons, which you can use to make unarmed strikes. If you hit with them, you deal slashing damage equal to 1d4 + your Strength modifier, instead of the normal bludgeoning damage for an unarmed strike.
• You gain proficiency in short swords, long swords and rapiers 
• You expertise in a ability of your choosing
• You gain a ability score of your choosing.