1 color U

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Click here for my EDH Commander decks
 
• Devotion to blue
• Island matters (draw = number of islands,etc.)
• Blue pitch spells
 
Mana Acceleration (12): General (1): Spells (26): Sideboard (Omitted/Cut card ideas):
1 Caged Sun 1 Callaphe, Beloved of the Sea 1 Vedalken Shackles 1 Chancellor of the Spires
1 Nyx Lotus   1 Commandeer 1 Blue Sun's Zenith
1 Sapphire Medallion Creatures (25): 1 Disrupting Shoal 1 Roil Elemental
1 Apprentice Wizard 1 Arcanis the Omnipotent 1 Engulf the Shore 1 Wonder
1 Benthic Explorers 1 Breaching Leviathan 1 Ensnare 1 Crystal Rod
1 Deranged Assistant 1 Brine Seer 1 Flow of Ideas 1 Kraken's Eye
1 Fatestitcher 1 Charix, the Raging Isle 1 Foil 1 Ring of Evos Isle
1 Kelpie Guide 1 Deepchannel Mentor 1 Force of Negation 1 Staff of the Mind Magus
1 Midnight Clock 1 Faerie Swarm 1 Force of Will 1 Drowned Secrets
1 Sea Scryer 1 Floodgate 1 Future Sight 1 Drowner Initiate
1 Tidewater Minion 1 Gadwick, the Wizened 1 Gush 1 Martyr of Frost
1 Vizier of Tumbling Sands 1 Grand Architect 1 Homarid Spawning Bed 1 Sage's Row Denizen
  1 Guardian of Tazeem 1 Inundate 1 Sanity Grinding
Lands (36): 1 Kraken of the Straits 1 Mind Over Matter 1 Scent of Brine
1 Coral Atoll 1 Magus of the Future 1 Misdirection 1 Spell Syphon
1 Myriad Landscape 1 Master of Waves 1 Mu Yanling, Sky Dancer 1 Sunken City
1 Mystic Sanctuary 1 Paragon of Gathering Mists 1 Snapback 1 Vantress Paladin
1 Nykthos, Shrine to Nyx 1 Scourge of Fleets 1 Spectral Deluge 1 Flooded Shoreline
1 Soldevi Excavations 1 Subtlety 1 Thassa's Rebuff 1 Daze
1 Thawing Glaciers 1 Tempest Djinn 1 The Magic Mirror  
29 Island 1 Thassa, Deep-Dwelling 1 Thought Reflection  
1 Sol Ring 1 Thassa, God of the Sea 1 Thwart  
  1 Thassa's Oracle 1 Tidal Bore  
  1 Threnody Singer 1 Turn into a Pumpkin  
  1 Tidal Force 1 Unexplained Vision  
  1 Tidal Kraken 1 Walk the Aeons  
  1 Tidespout Tyrant    
  1 Tidewalker