Belinda Silverdusk

Legendary Resistance (3/Day). If the unicorn fails a saving throw, it can choose to succeed instead.

Magic Resistance. The unicorn has Advantage on saving throws against spells and other magical effects.

Multiattack. The unicorn makes one Starry Wisp attack and cast one at will spell.

Hooves. Melee Attack Roll: +7, reach 5 ft. Hit: 11 (2d6 + 4) Bludgeoning damage.

Starry Wisp. Ranged Spell Attack Roll: +11, reach 60ft ft. Hit: 9 (1d8+7) Radiant damage.

Spellcasting. The unicorn casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 21):

At Will: Silent Image, Druidcraft, Minor Illusion, Starry Wisp Lvl 11, [Tooltip Not Found]
1/Day Each: Calm Emotions, Dispel Evil and Good, Major Image, Hypnotic Pattern Invisibility 6th Level, Word of Recall

Belinda's Blessing (3/Day). The unicorn touches another creature with its horn and casts Cure Wounds 2nd lvl, Mirror Image or Lesser Restoration on that creature, using the same spellcasting ability as Spellcasting.

Legendary Action Uses: 2. Immediately after another creature’s turn, the unicorn can expend a use to take one of the following actions. The unicorn regains all expended uses at the start of each of its turns.

Master of Illusion: Can cast an Illusion spell. It lasts only one turn but is real. Can only be used once a turn. If you use this on mirror Image you can no longer this use this ability.

Watch the Horn: Shoot out another Starry Wisp 5th level.

Lady of Diplomacy: Can make a creature make a DC 16 Cha save, if failed they are a charmed by Belinda for one turn.

Dragon Blood:  Costs 2 points.Wings Explode out of Belinda's back and she fly's forward 60ft not provoking an opportunity attack, crashing down and radiating the effects of Faerie Fire around her along with a 3d6 fire damage on a failed save. Half as much on a success. DC 16 Dex save for spell.