You have a +1 bonus to attack and damage rolls made with this magic weapon. It also does 1d6 cold damage on a hit. It can be used as a spell casting focus for your spells. You can cast Snilloc's Snowball Swarm as an action as a 2nd level spell DC16. 

Proficiency with a Rapier allows you to add your proficiency bonus to the attack roll for any attack you make with it.

Notes: Bonus: Magic, Damage: Cold, Xyrora an eccentric Warforged blade singer created this sword high in the icy mountains, Requires attunement by a wizard or bard. If not attuned it functions as a +1 rapier but doesn't add the additional cold damage and you can't use it as a spell focus. If not attuned you cannot cast Snilloc's Snowball Swarm. , Damage, Combat, Finesse, Vex