Johan

Click here for visual deck (with images)
Click here for my EDH Commander decks
 
Tried to build a deck around Johan's ability.
Creatures don't untap (or) Untap only one creature during untap step
Creatures enter the battlefield tapped
Tap creatures
 
Mana Acceleration (12): General (1): Spells (29): Sideboard (Omitted/Cut card ideas):
1 Commander's Sphere 1 Johan 1 Icy Manipulator  
1 Gilded Lotus   1 Juntu Stakes  
1 Thran Dynamo Creatures (23): 1 Meekstone  
1 Unstable Obelisk 1 Apocalypse Hydra 1 Mind's Eye  
1 Worn Powerstone 1 Borborygmos Enraged 1 Puppet Strings  
1 Mirari's Wake 1 Dragon Broodmother 1 Staff of Domination  
1 Cultivate 1 Gisela, Blade of Goldnight 1 Temporal Aperture  
1 Explosive Vegetation 1 Rith, the Awakener 1 Assemble the Legion  
1 Kodama's Reach 1 Hydra Omnivore 1 Aura Shards  
1 Mana Reflection 1 Balefire Dragon 1 Glare of Subdual  
1 Skyshroud Claim 1 Dragon Mage 1 Naya Charm  
1 Zendikar Resurgent 1 Dream Pillager 1 Blizzard  
  1 Hellkite Tyrant 1 Storm Front  
Lands (35): 1 Moonveil Dragon 1 Winter Blast  
1 Taiga 1 Rimescale Dragon 1 Aggravated Assault  
1 Savannah 1 Thundermaw Hellkite 1 Mudslide  
1 Plateau 1 Urabrask the Hidden 1 Onslaught  
1 Stomping Ground 1 Dawnglare Invoker 1 Outpost Siege  
1 Temple Garden 1 Goldmeadow Lookout 1 Smoke  
1 Sacred Foundry 1 Imposing Sovereign 1 Uphill Battle  
1 Jungle Shrine 1 Kytheon's Irregulars 1 Blind Obedience  
1 Arctic Flats 1 Loxodon Gatekeeper 1 Citadel Siege  
1 Highland Weald 1 Marble Titan 1 Crackdown  
1 Command Tower 1 Ojutai Exemplars 1 Energy Storm  
1 Flamekin Village 1 Sentinel of the Eternal Watch 1 Glimpse the Sun God  
1 Grove of the Guardian 1 Sunblast Angel 1 Guan Yu's 1,000-Li March  
1 Mosswort Bridge   1 Kismet  
1 Reflecting Pool   1 Righteous Fury  
1 Spinerock Knoll   1 Scepter of Dominance  
1 Windbrisk Heights      
6 Snow-Covered Forest      
6 Snow-Covered Mountain      
6 Snow-Covered Plains      
1 Sol Ring