Maelstrom Wanderer Seven

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This is a goofy deck idea to make a Maelstrom Wanderer deck as "fair" as possible: Every non-land card costs exactly seven mana.
It is still possible to cast Maelstrom Wanderer before turn 7; due to lands that make 2 mana, and battery lands.
 
Mana Acceleration (2): General (1): Spells (16): Sideboard (Omitted/Cut card ideas):
1 Boundless Realms 1 Maelstrom Wanderer 1 All Is Dust 1 Volcanic Vision
1 Zendikar Resurgent   1 Karn Liberated 1 Scourge of Fleets
  Creatures (37): 1 Scour from Existence 1 Memnarch
Lands (44): 1 Bane of Bala Ged 1 Spine of Ish Sah 1 Triskelavus
1 Ancient Tomb 1 Platinum Angel 1 Blatant Thievery 1 Patron of the Moon
1 Blighted Woodland 1 Sandstone Oracle 1 Mind's Dilation 1 Shivan Hellkite
1 Crystal Vein 1 Dragonlord Atarka 1 Take Possession 1 Akroma's Memorial
1 Dwarven Hold 1 Gruul Ragebeast 1 Temporal Cascade 1 Raging Ravine
1 Dwarven Ruins 1 Omnath, Locus of Rage 1 Temporal Mastery 1 Inkmoth Nexus
1 Fungal Reaches 1 Simic Sky Swallower 1 Thought Reflection  
1 Havenwood Battleground 1 Chancellor of the Spires 1 Tooth and Nail  
1 Hickory Woodlot 1 Diluvian Primordial 1 Disaster Radius  
1 Hollow Trees 1 Goliath Sphinx 1 Fire Tempest  
1 Mage-Ring Network 1 Great Whale 1 Flame Wave  
1 Mercadian Bazaar 1 Palinchron 1 Inferno  
1 Mosswort Bridge 1 Phyrexian Ingester 1 Vicious Shadows  
1 Myriad Landscape 1 Quicksilver Gargantuan    
1 Rushwood Grove 1 Sphinx Ambassador    
1 Sand Silos 1 Sphinx of Uthuun    
1 Sandstone Needle 1 Windreader Sphinx    
1 Saprazzan Cove 1 Ancient Ooze    
1 Saprazzan Skerry 1 Avenger of Zendikar    
1 Scorched Ruins 1 Caller of the Pack    
1 Spinerock Knoll 1 Elderscale Wurm    
1 Svyelunite Temple 1 Engulfing Slagwurm    
1 Temple of the False God 1 Garruk's Horde    
1 Terrain Generator 1 Giant Adephage    
1 Thawing Glaciers 1 Hornet Queen    
1 Thespian's Stage 1 Moldgraf Monstrosity    
1 Untaidake, the Cloud Keeper 1 Pelakka Wurm    
1 Vesuva 1 Siege Behemoth    
6 Island 1 Spearbreaker Behemoth    
6 Forest 1 World Breaker    
5 Mountain 1 Balefire Dragon    
  1 Dragon Mage    
  1 Dream Pillager    
  1 Hamletback Goliath    
  1 Molten Primordial    
  1 Stalking Vengeance    
  1 Tyrant of Discord