Here’s the description for them
Snowflake: she has beautiful snow-white skin, pale transparent wings, two large horns(similar to post-metamorphosis Thorax’s and Pharynx’s horns(icy-white color)), a blue mane, and sparkling light blue eyes
Dragonfire: Red body, yellow wings, and orange mane. His eyes are also orange, and his horns are also yellow.
Cosmic: Has a bright star-yellow body and horns, mane appearing like a galaxy, and wings like custom constellations. Eyes are like solar systems
Core: Body is colored like the rainbow, wings are a bright blue crossed with a medium purple, and mane is a pale green. Eyes and horns are crimson
Nexus: Body is dark blue crossed with dark orange, wings are a pale blue, and mane is bright violet. Eyes and horns are a mix of these colors
All of them have special customized horns, much different than normal changeling horns