Homebrew
Wind Shear
2-level Abjuration
Casting Time: 1 reaction, which you take when you see a creature within 60 feet of you casting a spell
Range/Area: 60ft
Components: V, S
Duration: Instantaneous
You atempt to lash out with disruptive energy. The creature must make a Wisdom saving throw against your spell save DC. On a failed save, the target has disadvantage on their spell attack roll. If the spell has no attack or save, the target loses concentration (if applicable)
At higher levels: At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the Disavantaged spell has no effect if its level is less than or equal to the level of the spell slot you used.
Available for: Shaman