Common Traits are the simplest of traits, and often give a minor bonus to a d20 roll. They are typically Minor traits.

You gain a bonus to Acrobatics skill checks equal to your proficiency bonus. (Trait Type: Minor, Trait Rarity: Common)
You can be impulsive, and it shows in your lightning strikes. When you cast a spell that does Lightning damage,
You gain a bonus to Animal Handling skill checks equal to your proficiency bonus. (Trait Type: Minor, Trait Rarity: Common)
You gain a bonus to Arcana skill checks equal to your proficiency bonus. (Trait Type: Minor, Trait Rarity: Common)
When you damage a target using an Archery weapon, you gain a +1 bonus to that damage. This bonus increases
When you make an attack roll using an Archery weapon, you gain a +1 bonus to that roll. (Trait Type:
You gain a bonus to Athletics skill checks equal to your proficiency bonus. (Trait Type: Minor, Trait Rarity: Common)
When you damage a target using an Axe weapon, you gain a +1 bonus to that damage. This bonus increases
When you make an attack roll using a Axe weapon, you gain a +1 bonus to that roll. (Trait Type: