Innate Spellcasting. The dragon's innate spellcasting ability is Charisma (spell save DC 13). It can innately cast a number of spells, requiring no material components:   1/day each: color spray, dancing lights, mage hand, minor illusion, mirror image   Limited Telepathy. Using telepathy, the dragon can magically communicate with any other faerie dragon within 60 feet of it.   Magic Resistance. The faerie dragon has advantage on saving throws against spells and other magical effects.   Superior Invisibility. As a bonus action, the dragon can magically turn invisible until its concentration ends (as if concentrating on a spell). Any equipment the dragon wears or carries is invisible with it.   The Colors of Age. A faerie dragon's scales change hue as it ages, moving through all the colors of the rainbow. All faerie dragons have innate spellcasting ability, gaining new spells as they mature. Red—5 years or less
Orange—6–10 years, color spray
Yellow—11–20 years, mirror image
Green—21–30 years, suggestion
Blue—31–40 years, major image
Indigo—41–50 years, hallucinatory terrain
Violet—51 years or more, polymorph
  A green or older faerie dragon's CR increases to 2.