Cast and Blast

You have practiced casting spells in the midst of combat, learning techniques that grant you the following benefits:

• you gain the ability to use a weapon on your bonus action even after casting a spell as long as the weapon is no more than 5 pounds or classified as a light weapon.
• You can perform the somatic components of spells even when you have a weapon in your offhand.
• this feat works like the Two-Weapon fighting feat when calculating damage, your ability modifier is applied.