Urza, Lord High Artificer The Brothers' War gave us a plethora of Urza cards, but frankly, they don't hold a candle to Urza, Lord High Artificer
Prosperity allows him to turn each mana into two more mana (draw X off the Prosperity and then pitch each card to the Bloom for 2 each)
Anim Pakal, Thousandth Moon Anim Pakal, Thousandth Moon works best in Commander, where you have time to scale it up with cards like Luminarch Aspirant and every player isnt running 30 cheap removal spells
What makes both these goblin token producers so strong for this deck is that they are powerful on their own and can put you ahead in the battle for tempo, or indeed just win if they go unanswered
Allowing everyone at the table to start throwing down big threats early can be a wild time, and is very different from your typical games