Shapechanger. The Child of the Royal Garden can use its action to polymorph into it's given mask form or back into its true form, which is humanoid. Its statistics, other than its AC, are the same in each form. Any equipment it is wearing or carrying isn't transformed. It reverts to its true form if it dies.
Spellcasting. The druid is a 3th-level spellcaster. Its spellcasting ability is Wisdom (spell save DC 12, +4 to hit with spell attacks). It has the following druid spells prepared:
Cantrips (at will): druidcraft, shillelagh
1st level (4 slots): entangle, longstrider, speak with animals, thunderwave
2nd level (2 slots): animal messenger, barkskin
Quarterstaff. Melee Weapon Attack: +2 to hit (+4 to hit with shillelagh), reach 5 ft., one target. Hit: 3 (1d6) bludgeoning damage, 4 (1d8) bludgeoning damage if wielded with two hands, or 6 (1d8 + 2) bludgeoning damage with shillelagh.
Claws (red). Melee Weapon Attack: +4 to hit, reach 5 ft., one creature. Hit: 11 (2d6 + 4) slashing damage.
Talons (yellow). Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (1d10 + 2) slashing damage.
Bite (green). Melee Weapon Attack: +4 to hit, reach 5 ft., one creature. Hit: 7 (2d4 + 2) piercing damage, and the target must succeed on a DC 11 Constitution saving throw or take 10 (3d6) poison damage. If the poison damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even after regaining hit points, and is paralyzed while poisoned in this way.
Claw (blue). Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 7 (2d4 + 2) bludgeoning damage, and the target is grappled (escape DC 11). Each given creature has two claws, each of which can grapple only one target.