Think about the creatures you can afford to reanimate (or hard cast) when designing your deck (and mana base), and also the additional utility of cards like Eureka, and how they could potentially interact with large creatures stuck in hand
Legendary Creature Beast Noble Mythic Gaboleps 1/2 LEGAL Standard LEGAL Future LEGAL Historic LEGAL Timeless LEGAL Gladiator LEGAL Pioneer LEGAL Explorer LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage LEGAL Penny LEGAL Commander LEGAL Oathbreaker LEGAL Standardbrawl LEGAL Brawl LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern NOT LEGAL Predh Ward At the beginning of your upkeep, exile the top X cards of your library, where X is the number of card types among other nonland permanents you control
The ability to turn into any kind of animal has to be somewhat useful
However, if you can find a way to discard Emrakul for cheap, you can reduce Emrakuls casting cost significantly
Oh yeah, one last quick note on Fall of Cair Andros
To assist you with that, the deck includes combat finishers like Return of the WildspeakerReturn of the Wildspeaker and Akromas WillAkromas Will