Shield Tactician

General Feat (Prerequisite: Level 4+, Strength or Dexterity 13+)

You gain the following benefits.

Ability Score Increase. Increase your Dexterity or Strength score by 1, to a maximum of 20.

Shield Strike. Immediately after you take the Attack action while holding a shield, you can use a Bonus Action to make a melee attack with the shield dealing 1d4 Bludgeoning damage

Shield Counter While you're holding a shield and creature misses you with an attack you can use your reaction to make a melee attack against that creature.