This card looks like it could be a random common card, but a closer look at the bottom right corner of the artwork will reveal the 'San Diego Comic Con' logo, indicating its status as an exclusively distributed promo card
These Gods play right into formats, metagames, and places that want cards like Genesis, Volrath's Stronghold, Academy Ruins, a lot of typical Planeswalkers like Sarkhan Unbroken, Ob Nixilis Reignited, or Nahiri, the Harbinger that have multiple avenues for card advantage and quality
It also gains the activated abilities of whichever goblin rests atop your humble deck - which means that it can serve as an extra copy of whatever you want it to be, without having to invest the mana first
Matt Jarvis Best Games 10 best cards in Pokmons Astral Radiance set The most chase-worthy cards in the latest Pokmon card set
Here's a list to help you begin the hunt