I expect this to drop significantly unless it sees play in Constructed, or even better, if that 5-color ooze commander is eventually printed
This means that Greater Good works best in two situations: creatures with a lot of power, or deck synergies that care about the graveyard
Also, dont get stingy with your mana base, as stax effects often make things more expensive
If it does, Gallifrey Council Chamber will become a slam-dunk auto-include for a hot new deck that a ton of players will likely want to try out
Other Builds An affinity build can be done using many colorless artifacts and mana rocks
Prosper allows you to exile the top card of your library at the end of your turn, and you can play that until the end of your next turn