In the early game, we want to focus on sticking Jeff to the board, then start pumping out Egg tokens
Extra Land Spells: Spells which allow you to put extra lands into play beyond the one-per-turn limit
9-11 Traditional Foil cards, 5 cards of rarity Rare or higher
It triggers Runaway Steam-Kin twice, which is critical on those churn turns when youre really going all-out on your mana engine
For instance, the new blue Shrine from Magic 's new Kamigawa: Neon Dynasty set only mills one target player and the green Shrine only cares about putting +1/+1 counters on other Shrines its controller has, not working towards any game plan in particular
This is what Fervent Mastery offers, albeit with the sizable downside of making you discard three cards at random afterwards