Here is an example of a pretty all-in Emrakul, the Promised End decklist: Creatures (12) 1 Dragonlord Silumgar 1 Den Protector 1 Nissa, Vastwood Seer 3 Hangarback Walker 4 Deathcap Cultivator 2 Emrakul, the Promised End Planeswalkers (4) Lands (23) Spells (21) Obviously Nahiri, the Harbinger is a natural fit for Emrakul, the Promised End, and Patrick Chapin wrote last week about a bunch of different versions of Emrakul, the Promised End decks, many of which included the Boros planeswalker
[-1]: Return target creature to its owner's hand
Numerous parallel cards are also available with different illustrations and designs
Lastly, Kindred Summons acts like another Myr Incubator but even better, doubling the number of Myr creatures you have on the battlefield by finding that many Myr cards from the top of your deck, all at instant speed
Warrior, Breaker the Magical Warrior and Harpie's Feather Duster - "The card that has me almost tempted to open a pack or two myself," according to Shaw
Analyst Jason Haas claimed that Bank of America downgraded Hasbros stock due to mismanagement of the Magic: the Gathering franchise, warning that the company was overprinting cards and effectively killing its golden goose