Srinshee's spell shift

Srinshee's spell shift was a mighty abjuration spell that let one manipulate a spell cast by another creature.

Effects
This spell caused the caster to be able to perceive the Weave which allowed the caster to swiftly recognize and either counterspell or manipulate the spell being cast by another spellcaster.

History
It was presumably developed by the Srinshee.