Discord's colors are behind the spiral, hence the chaos part of the name. The card's info says:
Fusion Summon 1 "My Little Pony Nightmare" monster by banishing Fusion Materials from your hand, field or Graveyard.
2 years, 5 months ago
25 Jul 2016 16:11 CEST
Full Size: 92cf77cd57d824ef8d7a725617fe6014