Colorless Sneak Fatties

Click here for visual deck (with images)
Click here for my EDH Commander decks
 
I felt like making a colorless deck with very large creatures, lots of mana ramp, and ways to sneak them out.
Some of the large colorless creatures don't untap as normal, so I have some untap effects.
 
Mana Acceleration (17): General (1): Spells (21): Sideboard (Omitted/Cut card ideas):
1 Blinkmoth Urn 1 Emrakul, the Promised End 1 Blade of Selves 1 Voltaic Key
1 Burnished Hart   1 Clock of Omens 1 Galvanic Key
1 Doubling Cube Creatures (25): 1 Colfenor's Urn 1 Arcbound Crusher
1 Dreamstone Hedron 1 Altar Golem 1 Deathrender 1 Grimoire of the Dead
1 Everflowing Chalice 1 Ancient Stone Idol 1 Helm of the Host 1 Aetherworks Marvel
1 Extraplanar Lens 1 Artisan of Kozilek 1 Mind's Eye 1 Sanctum of Ugin
1 Golden Guardian // Gold-Forge Garrison 1 Blightsteel Colossus 1 Minion Reflector 1 Ugin, the Spirit Dragon
1 Hedron Archive 1 Breaker of Armies 1 Mirage Mirror 1 All Is Dust
1 Magnifying Glass 1 Clone Shell 1 Mirrorworks 1 Riptide Replicator
1 Metalworker 1 Colossus of Akros 1 Oracle's Vault 1 Phyrexian Processor
1 Mind Stone 1 Colossus of Sardia 1 Paradox Engine 1 Dark Depths
1 Mycosynth Golem 1 Copper Gnomes 1 Planar Bridge 1 Deceiver of Form
1 Solemn Simulacrum 1 Darksteel Colossus 1 Quicksilver Amulet 1 Gate to the AEther
1 Thran Dynamo 1 Darksteel Juggernaut 1 Sculpting Steel 1 Omen Machine
1 Unstable Obelisk 1 Desolation Twin 1 Staff of Domination 1 Umbral Mantle
1 Wayfarer's Bauble 1 Endbringer 1 Staff of Nin 1 Sword of the Paruns
1 Worn Powerstone 1 Geode Golem 1 Temporal Aperture 1 Sword of the Animist
  1 Kozilek, Butcher of Truth 1 Thaumatic Compass 1 Cauldron of Souls
Lands (36): 1 Kozilek, the Great Distortion 1 Thran Temporal Gateway  
1 Buried Ruin 1 Mage-Ring Responder 1 Triassic Egg  
1 Inventors' Fair 1 Metalwork Colossus 1 Unwinding Clock  
1 Isolated Watchtower 1 Phyrexian Colossus    
1 Mage-Ring Network 1 Platinum Emperion    
1 Miren, the Moaning Well 1 Scarecrone    
1 Mirrorpool 1 Summoner's Egg    
1 Mishra's Workshop 1 Traxos, Scourge of Kroog    
1 Sea Gate Wreckage 1 Ulamog, the Ceaseless Hunger    
1 Temple of the False God 1 Ulamog, the Infinite Gyre    
1 Thawing Glaciers      
1 Tomb of the Spirit Dragon      
1 Zoetic Cavern      
22 Wastes      
1 Sol Ring      
1 Mana Crypt