Bettor's Blade

Requires attunement.
This magical shortsword deals 1d6 slashing damage, and landing a 7 on the attack roll counts as a critical hit. Additionally, it has two Betting Dice. When you hit with this weapon you may roll a Betting Die, and for every number on your damage dice that matches a number on the Betting Die, deal an additional 7 damage. Betting Dice recharge at the end of each week or every time you crit with this weapon.