If your deck has some number of fetchlands like Misty Rainforest, Evolving Wilds, Myriad Landscape, or Blighted Woodland, you should strongly consider Erinis for your deck
All of the cards abilities work well together, and getting to get a Creature back to play every turn is quite strong
Play an Evolving Wilds and get four +1/+1 counters with Obuun, Mul Daya Ancestor or start a real estate enterprise with Preston Garvey, just to name a couple examples
C+ While Suspension Field was a coveted removal spell in Khans of Tarkir, this new version locks up only creatures that you care a lot less about
Emet-Selch, one of the greatest antagonists in video game history, makes his grand appearance, and he looks magnificent in Amaurot
For example: You'll notice summons from FINAL FANTASY XIV usually have the word "Primal" in their name, as in the game world of Eorzea, many denizens refer to summons as such