Gambler

gambling is a deadly addiction

Bonus Proficiencies

When you choose this archetype at 3rd level, you gain proficiency with the disguise kit and playing cards.

Deadly Addiction

You gain 3 luck points. They return on a short or long rest. 

Master Gambler

You can use your luck point to forfeit advantage on an attack roll; if it hits, hit is a critical.

Deadeye

At 13th level, you gain the ability to alter the laws of probability. You can use a luck point to roll a d6.
1-2=-1 to hit
3-4=+1 to hit
5-6= +2 to hit

Death Strike

Starting at 17th level, you become a master of instant death. When you attack and hit a creature with a forfeited advantaged strike, it must make a Constitution saving throw (DC 8 + your Dexterity modifier + your proficiency bonus). On a failed save, double the damage of your attack against the creature.