Aggressive Intuition (5e Feat)
From D&D Wiki
Prerequisites: Shifters, Tabaxi or Natural weapons
You pounce upon the slightest openings during a fight, whether a slightly mishandled shield or a weapon not yet raised for defense.
- You gain combat advantage with your first strike using natural weapons against an enemy.
- Whenever you miss an enemy with a melee attack using natural weapons, you gain a +3 bonus to attack rolls against that enemy on your next turn.