Moonblade

Xibar: A shaft of intense white light leaps into being in your right hand and coalesces into a long narrow moonblade of glossy blue-white diamond-hard metal.

Yavash: A shaft of ruby-red light leaps into being in your right hand and coalesces into a long narrow moonblade of some fiery, almost liquid substance.

Using your right hand, you grasp the flat of the moonblade and try to mold it into a new shape.
The moonblade ripples like liquid as the spell matrix collapses, only to resolidify moments later as it reforms into the pattern of a normal Moonblade.

Using your left hand, you grasp the flat of the moonblade and try to mold it into a new shape.
The moonblade ripples like liquid as the spell matrix collapses, only to resolidify moments later as it reforms into the pattern of a Heavy Moonblade.

You focus intently on the moonblade, attempting to align your spell casting with its matrix.
You deftly navigate the complexity of the moonblade and commit yourself to the subtle actions required to thread a spell through the weapon.

You attempt to thread your spell through your moonblade.
Your red-hot moonblade is surrounded by a brief-lived aura of twisted space. A violent ebb and flow of magical energy passes through the moonblade as the spell's energy is captured within an expertly crafted node of Lunar energy.

You hold your red-hot moonblade in front of you and make a ritualized sweeping motion toward the ceiling.
The Shadows spell is released from your moonblade!

You gesture at a cold blue-white moonblade.
The blue-white moonblade turns bright as a miniature sun before exploding into a cloud of blue-white slivers!
The slivers drift about for a moment, then begin to orbit your head.