Lean on basics, weaker lands than fetches/shocks/etc., and even tapped lands like Guildgates to make your mana functional without breaking the bank
How to Draw
While the heist ability is the main attraction, Grave Expectations can also be used as graveyard hate and lifegain, helping shut down any strategies relying on the graveyard and fighting back against aggro decks
On the other hand this seems like a very polished list and you probably know by now if aerie is actually good or not :) Coat of Arms is another possible finisher
But it got even worse, or maybe better, depending on your perspective
Honest Rutstein synergies with Karador, Ghost Chieftain and Sidisi, Brood Tyrant by making them cheaper to cast and bringing back the best creature milled by Sidisi, Brood Tyrant or destroyed by an opponent