These new decks are mono-colored and focus on keeping gameplay strategies simple
Rain Of Riches The decklist has a ton of different ways to create Treasure tokens, including Rain of Riches itself
Where it will really take form, I think, is when they start to use it as a soft landing spot for previously banned cards, or can use it more explicitly as a sort of watchlist for to-be-banned cards
Individual Card Rewards ICRs, or individual card rewards, are the rewards you reap from daily rewards, events, and the Mastery Pass
#088 Team Rocket's Great Ball - Trainer Item Flip a coin
In the right scenario your opponents' could be sacrificing eight or more permanents whenever you swing at them, which - outside of a dedicated treasure or token deck - is going to get very unpleasant very fast