You Draw on an object or creature the symbol α and the creature or object is then transmuted into a new form.

Objects can be transmuted into other objects, such as making a rock become a weapon.

Creatures can only be transmuted into another creature of CR 1/8 or bellow, the creature then will have its stats made into an average of the original form and the new form, and assume the Hit die of the new creature. You can use this to make an Ancient red dragon become a Commoner for example.

The affected creature has to make a Constitution Saving Throw against your Spellcasting ability, the creature can choose to fail the saving throw, a Restrained, Incapacitated, Stunned or Paralyzed creature have disavantage on the saving Throw.

Once the creature is Transmutated it only reverts to its original form if affected by a dispel magic, Delta, or another similar effect that can remove the effect of this spell on it.