Skyrider SwordWeapon 14
Source Pathfinder Lost Omens: The Grand Bazaar
Damage 1d12 Slashing
Type Martial
Price 4,500 gp
Weight 2 bulk
This +2 greater striking shock greatsword has a broad, flat blade that can support the weight of a Medium-sized or smaller wielder. Magic allows the weapon to soar through the air, carrying its wielder along with it.
Activate 
command
Frequency once per day
Requirements You're holding the sword in at least one hand
Effect You leap upon your sword as it soars through the air for up to 10 minutes. You gain a fly Speed of 25 feet or your land Speed, whichever is slower, but you can't Strike with your weapon except via the weapon's other activation (see below). You can Dismiss the activation, and it ends automatically if you cease holding the weapon with at least one hand.
Effect: Skyrider Sword
Activate 
Interact
Requirements You are riding on your weapon
Effect You ride your weapon into a foe, attacking it as you fly past. You Fly, making a melee Strike with the weapon once at any point during your movement.
Traits
Something of uncommon rarity requires special training or comes from a particular culture or part of the world. Some character choices give access to uncommon options, and the GM can choose to allow access for anyone. Less is known about uncommon creatures than common creatures. They typically can't be summoned. The DC of Recall Knowledge checks related to these creature is increased by 2.
AirEffects with the air trait either manipulate or conjure air. Those that manipulate air have no effect in a vacuum or an area without air. Creatures with this trait consist primarily of air or have a magical connection to that element.
MagicalSomething with the magical trait is imbued with magical energies not tied to a specific tradition of magic. A magical item radiates a magic aura infused with its dominant school of magic. Some items or effects are closely tied to a particular tradition of magic. In these cases, the item has the arcane, divine, occult, or primal trait instead of the magical trait. Any of these traits indicate that the item is magical.
TransmutationEffects and magic items with this trait are associated with the transmutation school of magic, typically changing something's form.
VersatileA versatile weapon can be used to deal a different type of damage than that listed in the Damage entry. This trait indicates the alternate damage type. For instance, a piercing weapon that is versatile S can be used to deal piercing or slashing damage. You choose the damage type each time you make an attack.