Arcane Duelist

You have trained diligently in the art of fighting other spellcasters:

• Increase your Intelligence by 1, to a maximum of 20.
• Once per round you can make an Intelligence (Arcana) check to identify a spell being cast without using your reaction, you regain this ability at the start of your next turn.
• Whenever you cast counterspell or dispel magic any ability checks you make as part of the casting of counterspell or dispel magic are made with advantage.