Spells with degrees of utility are something I greatly appreciate. The first one to come to mind is a “ghastlight” spell, sharing properties with the throwable. Rune traps and healing spells would also likely be appreciated.
#Spell ideas
placid drift
If you’re feeling devious oh mighty devs, a mechanic where a spell can backfire with an incorrect rune selection would be a fine counter to the power spells offer. Make a panicked gambit in combat all the more risky