When making spells in survival, I often find myself making some very similar spells, for example a break spell that picks up items, one that breaks harder blocks, one with extract, to avoid loosing mana when I do not need more.
But, because I can only have 10 spells, I end up always changing them, which makes them not have the correct name and become confusing to use.

I propose a new type of glyphs, the condition glyphs, which are used to enable/disable certain glyphs without changing the spell. Each condition glyph would have its own parameter and the following glyphs until the next condition glyph will only resolve if it is true. These glyphs cannot be augmented but following augments will augment the previous glyph if it is resolved.
Here are some examples I came up with:

• Sneak: the following glyphs only resolve if the caster is sneaking
• Entity: the following glyphs only resolve if the spell is targeting an entity
• Last: the following glyphs only resolve if the previous effect glyph actually did something (for example, break on obsidian)
• Else: the following glyphs only resolve if the last condition was false
• True/Endif: the following glyphs always resolves (used to close the conditions)

I think this addition would be very useful, but may be a little confusing to some people, so it be didactic in the spell book.
I hope this makes it in. Thanks for reading.