Mage Slayer (Wizard)

You've adopted the practices martial fighters use to strengthen their defenses and offenses against other spellcasters, gaining the following benefits:

• When a creature within 60ftof you casts a spell calling for a saving throw, you can use your reaction to cast a damaging cantrip against that creature.
• When you damage a creature that is concentrating on a spell, add an additional 2d10 to the damage
• Add an additional +5 to saving throws to ends spells currently effecting you.