If youre interested in building your own version of Monster Mages, you can get a deck list and rules from the projects github page.
Even if they do that, Emrakul is sideboard technology that is tricky to deal with and asks very little of you

Here are some lists that Ive been working on: [Deck Title= Four Colour Rally Pete Ingram] [Creatures] 4 Stitchers Supplier 4 Satyr Wayfinder 4 Cruel Celebrant 3 Grim Haruspex 4 Nantuko Husk 4 Jace, Vryns Prodigy 4 Zulaport Cutthroat 2 Elvish Visionary [/Creatures] [Spells] 4 Collected Company 4 Rally the Ancestors [/Spells] [Lands] 4 Fabled Passage 4 Overgrown Tomb 4 Watery Grave 4 Godless Shrine 4 Temple Garden 1 Swamp 1 Island 1 Plains 1 Forest [/Lands] [Sideboard] 3 Mystical Dispute 4 Knight of Autumn 3 Anafenza, the Foremost 4 Thoughtseize 1 Assassins Trophy [/Sideboard] [/Deck] [Deck Title= Four Colour Saheeli Combo Pete Ingram] [Creatures] 4 Gilded Goose 4 Felidar Guardian 2 Llanowar Elves 2 Reflector Mage 4 Rogue Refiner [/Creatures] [Spells] 3 Attune with Aether 4 Harnessed Lightning 1 Oath of Chandra 4 Oath of Nissa 3 Oko, Thief of Crowns 4 Saheeli Rai 3 Teferi, Time Raveler [/Spells] [Lands] 4 Aether Hub 4 Botanical Sanctum 2 Breeding Pool 2 Fabled Passage 2 Island 1 Mountain 1 Plains 3 Forest 1 Hallowed Fountain 2 Spirebluff Canal [/Lands] [Sideboard] 2 Disdainful Stroke 3 Knight of Autumn 1 Natural State 2 Mystical Dispute 1 Pithing Needle 2 Rest in Peace 1 Supreme Verdict 3 Veil of Summer [/Sideboard] [/Deck] [Deck Title= Kethis Combo Pete Ingram] [Creatures] 1 Alela, Artful Provocateur 4 Diligent Excavator 4 Emry, Lurker of the Loch 3 Fblthp, the Lost 4 Hope of Ghirapur 4 Kethis, the Hidden Hand 1 Lazav, the Multifarious [/Creatures] [Spells] 4 Mox Amber 4 Oath of Nissa 3 Teferi, Time Raveler 4 Narset, Parter of Veils [/Spells] [Lands] 3 Botanical Sanctum 4 Breeding Pool 1 Temple Garden 4 Watery Grave 3 Geier Reach Sanitarium 4 Glacial Fortress 3 Overgrown Tomb 2 Drowned Catacomb [/Lands] [/Deck] Pioneer is gearing up to be a very exciting format and I think once we get passed the initial brokenness of the format, I think it has the potential to be one of the best formats Magic has seen since the inception of Modern

Their replacement supposedly provides an opportunity to update the game and underlying technology, and includes updated visuals, a new card-logic engine, a ranked ladder, 3D avatars, and yep, a battle pass