Not much to say that isn't obvious from the artwork. The card's info says:
The Coming Holidays
Special Summon 1 "My Little Pony Holiday Delight" from your hand or Graveyard and equip it with this card. When this card is removed from the field, destroy the monster. When the monster is removed from the field, destroy this card.
2 years, 2 months ago
15 Jun 2016 22:18 CEST
Full Size: 118e5bdec3606415d08a4cf062db0283