Metamagic Mastery

You’ve learned how to exert your will on your spells to alter how they function:

• Increase your Charisma score by 2, to a maximum of 20
• You learn four Metamagic options of your choice from the sorcerer class. You can use only one Metamagic option on a spell when you cast it, unless the option says otherwise. 
• You gain sorcery points to spend on Metamagic equal to your Charisma modifier + your proficiency. You regain all spent sorcery points when you finish a long rest.