Goro-Goro works on a similar axis we make mana with Tanuki Transplanter and Bear Umbra, so getting to use that mana to make 5/5 Dragons is sweet
Load your Graveyard with both attributes, then bring out Chaos Dragons like Lightpulsar Dragon and Darkflare Dragon
while late game well also enjoy Nykthos, Shrine to Nyx, Thespian Stage (which can copy Cabal Coffers or Nykthos), and Black Market, which can net serious amounts of mana
The main thing to keep in mind is that there is no right or wrong answer, there is only what works for you and the particular deck youre building
Often, youll see a good chunk of your deck and choose the best two cards you need for that specific situation
This is the first time it's seen an increase of over 100% in a month