Green Hag

The monster can breathe air and water.

While within 30 feet of at least two hag allies, the monster can cast one of the following spells, requiring no Material components, using the spell's normal casting time, and using Intelligence as the spellcasting ability (spell save DC ): Augury, Find Familiar, Identify, Locate Object, Scrying, or Unseen Servant. The monster must finish a Long Rest before using this trait to cast that spell again.

The monster can mimic animal sounds and humanoid voices. A creature that hears the sounds can tell they are imitations only with a successful .

The monster makes two attacks.

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The monster casts one of the following spells, requiring no Material components and using Wisdom as the spellcasting ability (spell save DC , +4 to hit with spell attacks):
At Will: Dancing Lights, Disguise Self (24-hour duration), Invisibility (self only, and the hag leaves no tracks while Invisible), Minor Illusion, Ray of Sickness (level 3 version)