Grimlore's Grimoire
1-level Necromancy
Choose a creature that you can see within range. The target
must succeed on a Constitution saving throw or become
unable to cast spells that require a verbal component from 1
school of magic (your choice) for the duration. At the end of
each of its turns, the target can make a Constitution saving
throw. On a success, the spell ends.
At higher levels: When you cast this spell using a spell
slot of 2nd level or higher, you can select one addition school
of magic for each slot level above 1st.