Fey Spell Versatility

You have learned magical secrets from the fey.

Prerequisite: Cha 13, Spellcraft 1 rank, ability to cast ranger spells.

Benefit: Choose a 1st-level spell, a 2nd-level spell, a 3rd-level spell, and a 4th-level spell from the bard, sorcerer/wizard, or witch spell list that is either from the enchantment or illusion school or a spell with the curse descriptor. Add those spells to your ranger spell list. Once chosen, these spells cannot be changed.

Source: Ultimate Intrigue