The Dark Candy Corn is a Tier 15 Pet added on the 9/2 update.
The chances of getting it are 1%.
This pet can be made golden to reach stats of 37,422 in Coin Collection and 28,578 in Agility. Being a reskin, Dark Candy Corn couldn't be gold until update 10.
Its rainbow stats are 62,370 Coin Collection and 46,280 Agility.