Sharuum Tribal Sphinxes

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Simple tribal Sphinx deck using Sharuum.
I'm running some cards that work well Sharuum itself, but there's not a bunch of combos or anything.
 
Mana Acceleration (10): General (1): Spells (21): Sideboard (Omitted/Cut card ideas):
1 Azorius Cluestone 1 Sharuum the Hegemon 1 Argentum Armor 1 Sculpting Steel
1 Burnished Hart   1 Belbe's Portal 1 Phyrexian Metamorph
1 Commander's Sphere Creatures (32): 1 Cryptic Gateway 1 Copper Gnomes
1 Dimir Cluestone 1 Enigma Sphinx 1 Door of Destinies 1 Scarecrone
1 Dreamstone Hedron 1 Isperia the Inscrutable 1 Grinning Totem 1 Snake Basket
1 Mind Stone 1 Isperia, Supreme Judge 1 Helm of Obedience 1 Codex Shredder
1 Orzhov Cluestone 1 Jelenn Sphinx 1 Jester's Cap 1 Thopter Foundry
1 Unstable Obelisk 1 Magister Sphinx 1 Memory Jar 1 Eye of Ramos
1 Urza's Incubator 1 Medomai the Ageless 1 Mindslaver 1 Skull of Ramos
1 Wayfarer's Bauble 1 Sphinx of the Steel Wind 1 Obelisk of Urd 1 Tooth of Ramos
  1 Sphinx Sovereign 1 Oblivion Stone 1 Hour of Need
Lands (36): 1 Sphinx Summoner 1 Sorcerer's Strongbox 1 Sphinx's Revelation
1 Underground Sea 1 Alhammarret, High Arbiter 1 Thought Dissector 1 Sphinx's Disciple
1 Tundra 1 Arbiter of the Ideal 1 Brilliant Ultimatum 1 Sphinx's Herald
1 Scrubland 1 Argent Sphinx 1 Debtors' Knell 1 Sphinx's Tutelage
1 Watery Grave 1 Belltower Sphinx 1 Cover of Darkness  
1 Hallowed Fountain 1 Cerulean Sphinx 1 Patriarch's Bidding  
1 Godless Shrine 1 Chancellor of the Spires 1 Call to the Kindred  
1 Sunken Ruins 1 Consecrated Sphinx 1 Homarid Spawning Bed  
1 Mystic Gate 1 Conundrum Sphinx 1 Scourglass  
1 Fetid Heath 1 Goliath Sphinx 1 True Conviction  
1 Drowned Catacomb 1 Horizon Scholar    
1 Glacial Fortress 1 Master of Predicaments    
1 Isolated Chapel 1 Prognostic Sphinx    
1 Arcane Sanctum 1 Serra Sphinx    
1 Cavern of Souls 1 Sharding Sphinx    
1 Command Tower 1 Sphinx Ambassador    
1 Reflecting Pool 1 Sphinx of Jwar Isle    
1 Windbrisk Heights 1 Sphinx of Lost Truths    
6 Swamp 1 Sphinx of Magosi    
6 Island 1 Sphinx of the Chimes    
6 Plains 1 Sphinx of Uthuun    
1 Sol Ring 1 Vexing Sphinx    
  1 Windreader Sphinx    
  1 Petra Sphinx