This helps dramatically with Emeria, the Sky Ruin and Emeria Shepherd, and Knight of the White Orchid and other effects that grab a Plains
Jace stumbles upon the truth during one of his missions, also learning that his planeswalker spark had ignited many years prior
If the cards on this list cant help you find the lands you need, Im not sure what else is going to do the trick
Simply put, Nadu is a problematic card
It can effectively shut down graveyard strategies in any format, from the Dredge deck of Modern to reanimator commanders such as Sedris, the Traitor King or Meren of Clan Nel Toth (and it can be cast for free in the opening hand)
Drawing 6, 9, or even 12 extra cards by turn 3 or 4 allowed Blue to simply overwhelm opponents with resources