Gnome Cunning. Mamatay has advantage on all Intelligence, Wisdom, and Charisma saving throws against magic.

Speak with Small Beasts. Mamatay can communicate simple ideas with Small or smaller beasts.

Spellcasting. Mamatay is a 2nd-level spellcaster. Her spellcasting ability is Charisma (spell save DC 12, +4 to hit with spell attacks). She has the following bard spells prepared:
Cantrips (at will): create bonfire, druidcraft, friends, mage hand, minor illusion
1st level (3 slots): charm person, cure wounds, disguise self, faerie fire, heroism, ice knife, unseen servant

Dagger. Melee or Ranged Weapon Attack: +3 to hit, reach 5 ft. or range 20/60 ft., one creature. Hit: 5 (1d4 + 1) piercing damage.

Rapier. Melee Weapon Attack: +3 to hit, reach 5 ft., one creature. Hit: 5 (1d8 + 1) piercing damage.

Bardic Inspiration (Recharge 6). Mamatay gives another creature within 60 ft. that can hear her an inspiration die (1d6). For 10 minutes, the creature can add it to one ability check, attack roll, or saving throw. This can be added after seeing the roll, but before knowing the outcome.