Sever the Strands

Golgari Swarm Spell
Choose a creature you can see within range that is currently attempting an Ability Check or Attack Roll, that creature must make a Charisma Saving Throw. On a fail, roll 1d4 and subtract the amount rolled from the check that creature was making.
As you level up this spell's dice increase from 1d4 to 1d6 at 5th level, 1d8 at 11th level, 1d10 at 17th level

Effect Duration

Instantaneous

Effect Casting Time

Reaction

Range

30 ft

Level

Cantrip