The best part about this is you can't counter a card being flipped up and can't remove it in response to the flip, meaning opponents have to guess what your biggest cards are before you reveal what they do
So permanents that you can put on to the battlefield and just let them mill on consistent chunks are going to be crucial
The first was the Arbor Elf and Utopia Sprawl engine
Glin, Dwarf Emissary If you build your deck right, Glin, Dwarf Emissary will likely be able to goad at least one creature per turn
This degenerate Gobbo borrows all of your foes mana-producing artifacts when they get tapped, allowing you to absolutely pop off with beaucoup mana taken from your foes mana rocks, likely leading you to a massive turn that might potentially end the game on the spot
Eldritch Immunity is a Kindred Eldrazi Instant for a single colorless mana, and is going to be one of the biggest hope-dashing cards in the deck