Sidisi Self Mill

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Not an optimal Sidisi deck, but a lot of fun to play. Tons of self mill effects to maximize Sidisi triggers.
Mill yourself
Lots of creatures, to make Sidisi more likely to trigger
Reshuffle into library if milled (e.g. original Eldrazi Titans), so I don't deck out
Reanimation
 
Mana Acceleration (12): General (1): Spells (7): Sideboard (Omitted/Cut card ideas):
1 Deranged Assistant 1 Sidisi, Brood Tyrant 1 Embalmer's Tools 1 Mirror-Mad Phantasm
1 Millikin   1 Helm of the Host 1 Zendikar Resurgent
1 Beastcaller Savant Creatures (45): 1 Pedantic Learning 1 Charmed Pendant
1 Birds of Paradise 1 Kozilek, Butcher of Truth 1 Doubling Season 1 Den Protector
1 Bloom Tender 1 Ulamog, the Infinite Gyre 1 Lurking Predators 1 Eternal Witness
1 Citanul Hierophants 1 Havengul Lich 1 Parallel Lives 1 Greenwarden of Murasa
1 Harvester Druid 1 Lich Lord of Unx 1 Path of Discovery 1 Stitcher Geralf
1 Krosan Restorer 1 Molderhulk   1 Wonder
1 Somberwald Sage 1 Nyx Weaver   1 Vigor
1 Sylvan Caryatid 1 Phenax, God of Deception   1 Worldspine Wurm
1 Urborg Elf 1 Storrev, Devkarin Lich   1 Dread
1 Utopia Tree 1 Taigam, Sidisi's Hand   1 Kindred Discovery
  1 The Gitrog Monster   1 Liliana, Death's Majesty
Lands (35): 1 The Scarab God   1 Endless Ranks of the Dead
1 Underground Sea 1 Underrealm Lich   1 House Guildmage
1 Bayou 1 Wood Sage   1 Stitcher's Supplier
1 Tropical Island 1 Cemetery Reaper   1 The Mending of Dominaria
1 Watery Grave 1 Chainer, Dementia Master   1 Duskmantle, House of Shadow
1 Overgrown Tomb 1 Champion of Stray Souls   1 Vizier of Many Faces
1 Breeding Pool 1 Cryptbreaker   1 Gaea's Blessing
1 Command Tower 1 Deadeye Tracker   1 Deadbridge Chant
1 Dakmor Salvage 1 Doom Whisperer   1 Guile
1 Dryad Arbor 1 Graveborn Muse   1 Extractor Demon
1 Gaea's Cradle 1 Gravespawn Sovereign   1 Undercity Informer
1 Mortuary Mire 1 Hell's Caretaker   1 Selhoff Occultist
1 Mosswort Bridge 1 Midnight Reaper   1 Hedron Crab
1 Nephalia Drownyard 1 Plague Belcher   1 Ambassador Laquatus
1 Opulent Palace 1 Sheoldred, Whispering One   1 Crawling Sensation
1 Path of Ancestry 1 Soul of Innistrad   1 Garruk Relentless // Garruk, the Veil-Cursed
1 Reflecting Pool 1 Undead Augur   1 Traumatize
1 Sequestered Stash 1 Vengeful Pharaoh   1 Psychic Spiral
1 Svogthos, the Restless Tomb 1 Cephalid Vandal   1 Sultai Ascendancy
1 Volrath's Stronghold 1 Deep Spawn   1 Vedalken Entrancer
5 Swamp 1 Dream Eater   1 Merfolk Mesmerist
5 Island 1 Dreamborn Muse   1 Ertai's Familiar
5 Forest 1 Grizzled Angler   1 Life from the Loam
1 Sol Ring 1 Havengul Runebinder   1 Primal Vigor
  1 Mindscour Dragon   1 Drowner of Secrets
  1 Sakashima the Impostor   1 Bloodline Shaman
  1 Spark Double   1 Screeching Sliver
  1 Stern Mentor   1 Cathartic Adept
  1 Tolarian Serpent   1 Sewer Nemesis
  1 Emperor's Vanguard   1 Sultai Soothsayer
  1 Hermit Druid   1 Satyr Wayfinder
  1 Kessig Cagebreakers   1 Saprazzan Breaker
  1 Splinterfright   1 Rotcrown Ghoul
  1 Turntimber Sower   1 Mindeye Drake
  1 World Shaper   1 Geralf's Mindcrusher