Arcane Belligerence

Once per long rest, you can use a bonus action to trigger an arcane battle rage. 

For 10 minutes, you can add your proficiency bonus to your spell attack rolls, spell dc, and damage. You also have advantage on constitution saving throws for concentrating on spells  

Notes: Bonus: Spell Attacks, Bonus: Spell Save DC, Bonus: Melee Spell Attacks, Bonus: Ranged Spell Attacks, Advantage: Constitution Saving Throws