By speaking aloud, you can will reality to alter itself in accord with your desires.

This spell is able to duplicate any spell of 5th level or lower, provided it appears on the spell list for your class (if you have the Spellcasting feature available through more than one class, use the spell list for the one through which you cast this spell). Alternatively, this spell can duplicate any spell of 4th level or lower. You don't need to meet any requirements for the spell you duplicate, including costly components. The spell simply takes effect.

The stress of casting this spell can weaken you. Make a Constitution saving throw with DC equal to 6 + twice the level of the spell you duplicated. On a failed save, you take one point of exhaustion.

At higher levels: If you cast Lesser Wish at 7th level or higher, you can duplicate any spell of 6th level or lower that appears your spell list, or any other spell of 5th level or lower.