Cantrip prodigy

You've spent countless hours mastering cantrips. Exhaustive study of their intricacies, coupled with alternative training methods to optimize their casting, grants you an uncanny level of control over cantrips you cast.

• Your endless arcane research grants you proficiency in Arcana. 
• The vast knowledge gleamed through this endless research, gives you access to two additional cantrips from any class. Furthermore, you can use your spell casting ability when casting these additional cantrips.
• This cantrip focused mastery allows you to cast any cantrip you learn as a bonus action a number of times equal to your proficiency bonus.
• You regain your expended uses when you finish a long rest.