I included Thran Turbine, a card I have always liked because it gives us free mana to crack our tokens for a card or activate some of our other creature abilities
That's a little better than most mono-Green options like Trained Armodon or Nessian Courser
Graveyard Trespasser // Graveyard Glutton is already one of the premier threats in Rakdos Midrange anyway, and while Oni-Cult Anvil has fallen out of favor it was once a major player in the format
Facilier, Agent Provocateur similarly bring banished cards back to your hand, making Amber and Amethyst the ideal deck if you love playing lots of low-cost cards and dont want to see them lost to the discard pile for the rest of the game
On top of that, whenever you play a card from exile you get to create a treasure token
Then you slam in for 13 points of damage out of nowhere, and then win off the back of the angels left over