De-Escalate

You attempt to hinder a creature's concentration in the process of casting a spell. The creature makes an Intelligence saving throw. On a failed save, the spellcaster fumbles their words, causing them to cast a spell of their choice one level lower than the orignal spell being cast which shares the same spell school as the original spell and the original spell dissipates with no effect. The new spell must be a spell which the creature knows and is able to cast. The action, Bonus Action, or Reaction used to cast it is wasted and the new spell takes effect. If that spell was cast with a spell slot, the slot isn’t expended. If there is no legal spell that could be chosen as a result of De-Escalate's effect, instead roll a D100 on the wild magic table, any effects that take place target you and/or are centred on you and the original spell dissipates with no effect.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the new spell being cast consumes a spell slot of the relevant level it is being cast at.

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, a spell of any school may be cast and you choose the new spell. You can choose any target(s) for the new spell being cast and you may use your own spellcasting modifiers. The new spell being cast consumes a spell slot of the relevant level it is being cast at.