Applying
to
currently causes it to cast in mid-air, I think it would be able to achieve this at configurable ranges using the
form as well.
The idea I had was that modifying
with
or
would cause it to cast in mid-air after travelling a certain distance, with the distance changed relative to the default depending on which glyph (and how many) are used.
This would just fizzle for most spells that require an entity or block target (simply limiting their range, possibly for a cost reduction?), but could be really useful for the various conjuring, linger, and wall spells, as well as
