Icy Fang

A fang as long as your arm, rimed in perpetual frost. There's a sense of finality and permanence to the very object itself that makes you uneasy.
Benefit: Your first attack of each turn treats your opponent's [Miss chance] as 50 percentage points lower (minimum 0%). Your second attack of each turn treats your opponent’s [Miss chance] as 20 percentage points lower (minimum 0%). In addition, your natural weapons gain the [Magnum] weapon property if they did not already have it. Your weapons possess the [Magnum] property while you wield them, if they do not already have that property.