Kumena Merfolk

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Tribal Merfolk with Kumena.
 
Mana Acceleration (7): General (1): Spells (5): Sideboard (Omitted/Cut card ideas):
1 Herald's Horn 1 Kumena, Tyrant of Orazca 1 Aquatic Incursion 1 Benthic Biomancer
1 Urza's Incubator   1 Aquitect's Will 1 Brineborn Cutthroat
1 Kiora's Follower Creatures (54): 1 Crashing Tide 1 Merfolk of the Depths
1 Benthic Explorers 1 Cold-Eyed Selkie 1 Deeproot Waters 1 Merrow Wavebreakers
1 Sea Scryer 1 Combine Guildmage 1 Merrow Commerce 1 Merrow Levitator
1 Stonybrook Banneret 1 Gaea's Skyfolk   1 Merrow Harbinger
1 Zendikar Resurgent 1 Merfolk Mistbinder   1 Tidal Courier
  1 Merfolk Skydiver   1 Mistcaller
Lands (33): 1 Prime Speaker Zegana   1 Saltwater Stalwart
1 Tropical Island 1 Selkie Hedge-Mage   1 Windrider Patrol
1 Breeding Pool 1 Shapers of Nature   1 Leech Bonder
1 Flooded Grove 1 Tatyova, Benthic Druid   1 Merfolk Skyscout
1 Hinterland Harbor 1 Thrasios, Triton Hero   1 Wind Strider
1 Cavern of Souls 1 Tishana, Voice of Thunder   1 Vodalian Knights
1 Command Tower 1 Vorel of the Hull Clade   1 Shaper Apprentice
1 Gaea's Cradle 1 Wistful Selkie   1 Skywatcher Adept
1 Mosswort Bridge 1 Zegana, Utopian Speaker   1 Silvergill Adept
1 Nykthos, Shrine to Nyx 1 Coralhelm Commander   1 Riverwise Augur
1 Path of Ancestry 1 Deepchannel Mentor   1 Merfolk Seer
1 Unclaimed Territory 1 Drowner of Secrets   1 Rootwater Matriarch
14 Island 1 Empress Galina   1 Blockade Runner
7 Forest 1 Enclave Cryptologist   1 Mist-Cloaked Herald
1 Sol Ring 1 Fallowsage   1 Triton Shorestalker
  1 Frostwind Invoker   1 Coralhelm Guide
  1 Harbinger of the Tides   1 Waterspout Weavers
  1 Herald of Secret Streams    
  1 Lord of Atlantis    
  1 Lullmage Mentor    
  1 Master of the Pearl Trident    
  1 Merfolk Seastalkers    
  1 Merfolk Sovereign    
  1 Merfolk Trickster    
  1 Merrow Reejerey    
  1 Overtaker    
  1 Razorfin Abolisher    
  1 Reef Shaman    
  1 Rootwater Hunter    
  1 Sage of Fables    
  1 Scroll Thief    
  1 Sea Gate Loremaster    
  1 Seafloor Oracle    
  1 Seasinger    
  1 Sigil Tracer    
  1 Silvergill Douser    
  1 Streambed Aquitects    
  1 Surgespanner    
  1 Tempest Caller    
  1 Thada Adel, Acquisitor    
  1 Tidal Warrior    
  1 Tideshaper Mystic    
  1 True-Name Nemesis    
  1 Vodalian Illusionist    
  1 Wanderwine Prophets    
  1 Waterfront Bouncer    
  1 Deeproot Elite    
  1 Forerunner of the Heralds    
  1 World Shaper